Capitolo 1
When Soccer Meets Economics: The Beautiful Game Through Data's Lens
In a pivotal moment during Manchester City's 2011 season, Roberto Mancini reluctantly embraced a statistical revelation: inswinging corners score more goals than outswingers. This small tactical adjustment, initially dismissed by the Italian manager based on his playing experience, contributed to City's first Premier League title in 44 years. The incident perfectly encapsulates soccer's data revolution-a transformation that has seen the world's most popular sport gradually embrace analytics despite fierce resistance from traditionalists. "Soccernomics" has become required reading for the sport's intellectual fans, with luminaries like Billy Beane (of "Moneyball" fame) praising its insights. The book has influenced thinking throughout the soccer world, from Premier League boardrooms to FIFA headquarters, by challenging conventional wisdom with hard data. As soccer finally develops its "dashboard" of metrics, this expanded edition adds fresh analysis on everything from the European Super League fiasco to the case for reparations in women's soccer, revealing how numbers are reshaping our understanding of the beautiful game.
Capitolo 2
The Transfer Market's Fundamental Flaws
The soccer transfer system represents one of sports' most dysfunctional markets-a form of "human trafficking" that restricts player movement while enabling exploitation. Despite clubs spending a staggering $48.5 billion on international transfers in the decade through 2021 (including Neymar's record $263 million move), this expenditure rarely correlates with success. Analysis of English clubs from 2011-2020 reveals that transfer spending explains remarkably little variation in league position.
What truly determines success? Wage bills. Over 90% of variation in league standings correlates directly with salary expenditure-not because high pay causes good performance, but because it attracts superior talent. Manchester City can afford Kevin De Bruyne's wages while Burnley cannot. When players improve, clubs preemptively raise their salaries to prevent transfers, explaining why wages reliably indicate quality.
Several glaring inefficiencies plague the transfer market. New managers typically waste money clearing out predecessors' players regardless of cost. Tony Fernandes of QPR lamented this cycle, noting how managers demand different players when results suffer. Paolo di Canio's brief Sunderland tenure exemplifies this waste-in just six months and thirteen games, he spent $30 million on transfers, brought in fourteen players, let fifteen leave, and left the club in last place.
Players who shine in major tournaments command inflated prices despite representing poor value. Sir Alex Ferguson admitted his wariness after signing Jordi Cruyff and Karel Poborsky following Euro 1996: "Sometimes players get themselves motivated and prepared for World Cups and European Championships and after that there can be a levelling off." Arsenal's purchase of John Jensen after Euro 1992 exemplifies this fallacy-signed as a "goal-scoring midfielder" after scoring a spectacular goal in the final, Jensen managed just one goal in four Arsenal seasons.
Even physical appearance affects scouting decisions. One English club discovered their scouts disproportionately recommended blond youth players simply because they stood out visually when scanning twenty-two similar players. This mirrors Billy Beane's observation that baseball scouts had "sight-based prejudices," favoring handsome, athletic specimens while dismissing fat, skinny, or short players.
Capitolo 3
The Rice Krispies Problem: Why Player Relocation Matters
Moving to another city is stressful; relocating to another country even more so. Yet European clubs paying tens of millions for foreign players have traditionally told them, "Here's a plane ticket. Come over and play brilliantly from day one," offering minimal support for finding homes, schools, or understanding local culture. This "relocation" problem has been one of the transfer market's greatest inefficiencies.
The history of failed relocations is extensive: George Best nearly abandoned his Manchester United career after arriving at Liverpool docks with no one to meet him; Gary Lineker spent four months in a tiny hotel room in Barcelona; Georgi Kinkladze's performance improved only after his mother arrived with Georgian food; and Nicolas Anelka's disastrous $35 million move to Real Madrid saw him without even a locker in the dressing room on his first day.
Even established players struggle-Didier Drogba complained that after his $44 million transfer to Chelsea, he received no help finding schools for his children or suitable housing, forcing his family to live in a hotel for weeks while he house-hunted after practice with minimal English. Wayne Rooney had similar experiences at Manchester United, calling hotel living "horrible."
The problem extends beyond the player-as defender Tyrone Mears noted, "Sometimes it's not a problem of the player adapting. A lot of the times it's the family adapting." When partners can't find jobs, navigate local healthcare, or locate familiar foods, the player's performance suffers.
While most clubs historically neglected player relocation, the industry has gradually become smarter. Manchester City exemplifies this evolution-after learning from Robinho's $55 million failure, they developed a comprehensive relocation program that helped Sergio Aguero transition from agreement to living in his own home within just two weeks. Their player-care department researches players' habits and partners' preferences before they sign, arranges everything from nannies to housing, and even built Pep Guardiola a custom house. This approach helped Kevin De Bruyne settle "in three hours" and contributed to Aguero's immediate success, scoring 30 goals in his first season including the title-winning strike.
Capitolo 4
The Worst Business in the World: Soccer's Financial Reality
Soccer may be called "big business," but the reality is far different. Even the world's largest clubs are tiny compared to mid-sized corporations. In 2018-2019, FC Barcelona's revenue of 841 million was just 4% of United Natural Foods' revenue-a company that doesn't even make the S&P 500. Manchester United's market capitalization of $2.2 billion falls far short of the $7.25 billion needed to qualify for the S&P 500.
Soccer isn't merely small business-historically, it's been bad business. Inside the industry, stupidity has been as fundamental as oil is to the oil business. Soccer people routinely got exploited by those from other industries who understood business better. In the 1960s and 70s, clubs actually paid sportswear companies to supply their clothing, not realizing the advertising value. Almost every revenue innovation-from replica shirts to television rights-came from outside the industry, with clubs often actively resisting these opportunities.
The incompetence extends to hiring practices. Unlike normal businesses where executive searches take 4-5 months with multiple interviews and business plans, soccer clubs hire managers within days of firing predecessors, often after cursory interviews arranged through WhatsApp. The industry has systematically discriminated against women, with France's Corinne Diacre becoming a rare exception only in 2014. The ideal candidate has always been a white male former player between 35-60 with conservative hair-a profile that ensures clubs "fail in the traditional way."
Soccer clubs' incompetence extends throughout organizations. Club press officers often treat journalists as supplicants rather than unpaid marketers, female staff are traditionally recruited for looks, and men for playing experience or personal connections. Agent Mino Raiola observed that while players succeed through "sweat and tears" and natural selection, boardrooms remain filled with industry insiders of questionable competence. "The average level in the soccer world is low... because we don't want outsiders to influence and change or improve our soccer world," he explained.
Despite chronic financial mismanagement, soccer clubs have proven remarkably resilient. While financial institutions like Lehman Brothers collapsed during economic crises, 97% of the 88 teams in the 1923 English Football League still existed in 2021-2022. Soccer clubs developed ingenious survival mechanisms like "phoenixing"-dissolving an indebted company and creating a new one that inherits the club's identity but not its debts. Unlike traditional businesses where 49% of top global companies from 1912 had disappeared by 1995, soccer clubs are remarkably sustainable-they can't become technologically obsolete, they're protected from foreign competition, they can survive at lower competitive levels, and someone always rescues them from financial ruin.
Capitolo 5
The Super League Fiasco: When Rich Owners Overreached
On April 18, 2021, twelve of Europe's biggest soccer clubs announced the European Super League-a closed competition guaranteeing spots for founding members regardless of performance. Backed by $4.8 billion from J.P. Morgan, the league represented the culmination of decades of similar proposals dating back to the 1960s. The economic logic seemed powerful: increasing revenues by having Europe's giants play each other more frequently, creating valuable player matchups like Messi versus Kane or Neymar against Salah.
Despite careful planning, the Super League collapsed within 48 hours following unprecedented fan protests. The league embodied neoliberalism in soccer-the idea that the sport should prioritize profit-making like American sports leagues, which have no promotion/relegation and consequently higher franchise valuations. Four of the twelve Super League owners were Americans familiar with closed league systems.
European fans reject the notion that soccer is merely a business. They view club "owners" as stewards rather than true owners, with a duty to serve fans rather than maximize profits. The Super League threatened soccer's twin foundations: tradition (familiar colors, grounds, competitions) and competition (the promotion-relegation system that gives even small clubs hope).
The Super League's failure stemmed partly from soccer's traditional cognitive problems. Unlike other businesses where incompetence leads to closure, soccer clubs almost always survive, allowing them to tolerate stupidity. Many architects of the Super League weren't selected for their brains but for their family names-like Andrea Agnelli of Juventus, whose family has run the club since 1923. Isolated in their mansions and detached from fans, these owners never thought to build public support before launching their project.
Though the Super League collapsed within days, with clubs issuing humiliating apologies, the threat will never entirely vanish. Club owners will continue seeking guaranteed profits in an American-style system. But the 2021 debacle gloriously demonstrated that even in soccer, rich people don't always get what they want.
Capitolo 6
The Case for Reparations to Women's Soccer
Women's soccer faced financial discrimination even after formal bans were lifted. When the Women's United Soccer Association (WUSA) hit financial trouble in the early 2000s, investors quickly pulled their $100 million, while men's Major League Soccer survived despite losing $350 million between 1996-2004. Investors believed in a men's league of "mediocre Americans and foreign has-beens" but not in a women's league featuring the world's best players.
Despite the US Soccer Federation's commitment to women's soccer through creating the National Women's Soccer League in 2013, media coverage remained minimal, with women's sports receiving just 1.6% of American sports airtime in 2009. Even the authors admit their complicity in this ambient sexism.
Women's soccer has gradually improved, with FIFA counting 26 million female players by 2006, and European female professionals more than doubling between 2012-2017. However, women players still face humiliations like inferior travel accommodations, substandard playing surfaces, sexual harassment questions, and horrific abuse cases like those involving coach Paul Riley.
The US Women's National Team fought for equal pay since 2016, finally achieving it in 2022 with a $24 million settlement. The economic argument that women's soccer simply lacks appeal ignores history-women's soccer was banned precisely when it threatened men's game financially. Tennis proves female sports can generate equal interest when not suppressed.
The damage done by the fifty-year ban is incalculable-using tennis as a benchmark (where women's revenue is 41% of the total), women's soccer might have generated $12 billion annually in Europe alone. FIFA's claimed commitment to women's soccer is belied by spending less than 2% of its development budget on the women's game. The solution isn't blaming women but providing reparations to build female soccer to where it should have been all along.
Capitolo 7
Soccer's Persistent Discrimination Problem
In 1970s Britain, racism was normalized in society, with Black soccer players facing monkey noises and banana throwing. Despite this hostility, Black players persevered, with Viv Anderson becoming England's first Black player in 1978 and John Barnes scoring a memorable goal against Brazil in 1984.
To test for discrimination in soccer, Stefan analyzed whether Black players were systematically underpaid. By counting how many Black players each team fielded and comparing this with wage spending and league performance, he discovered clear evidence of discrimination in the 1980s-teams with more Black players achieved better results for the same wage spending, proving Black players were better value for money.
The data showed a dramatic shift over time: in 1973-1974, only two clubs fielded Black players; by 1992, 90% of clubs had Black players in their first team. Black players were predominantly strikers (58% versus 33% of white players), had longer careers (six years versus four), and were more likely to be internationals (36% versus 23%).
By the late 1990s, discrimination in player wages had disappeared-Black players were being paid what they were worth. As Lilian Thuram noted, "In soccer it's harder to have discrimination because we are judged on very specific performances." By 2021, over 40% of Premier League players were Black, far exceeding their representation in the general population.
However, racism persists in other forms-from social media abuse of Black players who missed penalties in Euro 2021 to France's soccer federation officials discussing limiting Black players in academies in 2010, claiming they produced "only one prototype of player: big, strong, fast."
Despite Black players making up 43% of Premier League players and scoring 48% of goals, by 2021 only ten Black managers had ever been appointed in the league's thirty-year history. The discrimination persists because unlike player talent, which is transparent and measurable, coaching ability is subjectively assessed, allowing prejudice to flourish.
Clubs often hire managers more as symbolic figureheads than for their competence. Unlike players, who are employed primarily to win matches, managers serve dual roles: helping win games and embodying the club's spirit. This explains why iconic former players like Solskjaer, Pirlo, or Maradona get managerial positions-they represent the team's identity rather than bringing proven tactical expertise.
This system perpetuates discrimination against Black managers, as clubs can continue hiring based on appearance without noticeably affecting results. Voluntary anti-discrimination codes have proven insufficient-proportionate, compulsory rules are needed to end discrimination in off-field roles.
Capitolo 8
Moneyball Comes to Soccer: The Analytics Revolution
Liverpool's data-driven approach to soccer management has revolutionized the game. In 2015, despite Jurgen Klopp's seemingly fading star after Dortmund finished seventh in the Bundesliga, Liverpool's director of research Ian Graham-a Cambridge theoretical physics PhD-used sophisticated data analysis to determine Dortmund's poor results weren't Klopp's fault. His models showed the team had been extremely unlucky and should have finished second based on chance quality.
Similarly, Liverpool's analysts later convinced a reluctant Klopp to sign Mo Salah from Roma, using statistical covariance to predict how well he would combine with existing forward Roberto Firmino. This data-driven recruitment strategy paid off spectacularly with Champions League and Premier League titles in 2019 and 2020.
The real analytics revolution came in the 1990s with cheap computing and cable broadcasting. Opta Consulting began collecting Premier League match data in 1996, employing soccer enthusiasts to log every pass and action. Early data simply counted events without context-leading to mistakes like Alex Ferguson selling Jaap Stam based on declining tackle numbers, not realizing that great defenders like Paolo Maldini often made fewer tackles through superior positioning.
By the 2010s, Arsenal had purchased analytics company StatDNA for $4 million, developing sophisticated metrics including "expected goals" (xG)-a revolutionary statistic measuring the probability of scoring from different positions. Originally developed from baseball's concept of "run expectancy," xG has become the gold standard in soccer analytics, now familiar even to TV pundits.
Like Isaac Newton, who wrote more about alchemy than physics, today's soccer data analysts are in an "alchemy phase" of development-conducting secretive experiments with limited theoretical knowledge in search of competitive advantage rather than gold. Despite Liverpool's reputation for analytics under John Henry's ownership, the evidence for exceptional performance is lacking. From 2011-2020, Liverpool spent 1.7 times the Premier League average for an average league position of 4.8, while Manchester City spent 2.2 times the average and won four titles.
If any club represents soccer's true Moneyball equivalent, it's not Liverpool but Brentford FC. Under owner Matthew Benham, who made his fortune as a professional sports bettor using data, this modest West London club rose from England's third tier to the Premier League in 2021. Remarkably, while spending $230 million on player wages, Brentford generated only $130 million in revenue but made up nearly three-quarters of the deficit through profitable player trading.
Brentford's approach includes three key methods: taking the road less traveled by searching for talent in lesser leagues, perfecting neglected techniques like set pieces, and listening to the wisdom of diversified crowds rather than relying on individual scouts' subjective judgments. More broadly, Brentford aims to downgrade the manager's role in decision-making, addressing an inefficiency that hampers most clubs.
Capitolo 9
Why England Still Loses-But Nowadays Only Just
The authors reflect on how their original chapter titled "Why England Loses" has evolved as England's fortunes have improved. They examine the dual phenomenon of England's historical underperformance and recent success, reaching the 2018 World Cup semifinal and Euro 2020 final. Two significant changes occurred: English expectations finally collapsed after years of disappointment (with only 4% expecting to win the 2014 World Cup), and paradoxically, the team began winning.
The authors debunk the popular myth that foreign players in the Premier League hurt England's national team. While critics like Steven Gerrard argued that imports prevented English players from developing, the data shows otherwise. Englishmen consistently account for about 37% of Premier League minutes-over 70 players per match day, more than enough to field a strong national squad. This far exceeds the representation of smaller successful nations like Croatia or Uruguay.
England's winning percentage of around 69% is quite respectable, remaining fairly constant between 67-74% since 2002. However, translating this into tournament victories is difficult-to win a World Cup requires winning approximately six out of seven games, giving England only about a 10% chance of victory (and actually less against top competition). The statistical truth contradicts the English belief that they should dominate world football. As Jamie Carragher notes, England should embrace being "the plucky outsider" rather than expecting to be world-beaters.
England has a peculiar scoring pattern in tournaments-unlike most teams that score more in second halves, England scores the majority of its goals in first halves. In elimination matches between 1992-2021, twelve of England's fourteen goals came before halftime, with six in the opening five minutes. This "cheap battery" problem isn't caused by Premier League fatigue, as research shows no link between games played and results. Rather, England's high-tempo, low-possession style is exhausting, especially in summer heat against possession-based teams.
English soccer severely limits its talent pool by recruiting almost exclusively from the traditional working class. The authors analyzed the occupations of England players' fathers at World Cups from 1998-2006 and found only 15% came from "middle-class" backgrounds requiring education beyond age 16. This pattern continued at Euro 2020, with most players' fathers working in construction, security, or as coaches, while Britain increasingly becomes an upper-middle-class nation with record numbers pursuing higher education.
Despite these limitations, England has undeniably improved, even as its luck has also turned. England's 2018 World Cup success (fourth place) and Euro 2020 final appearance weren't just about improved performance but also luck. The 2018 tournament saw England beat weaker teams like Panama and Tunisia, while home advantage played a crucial role in the Euro 2020 run. English players' insularity-few play abroad compared to other nations-makes them particularly dependent on home advantage.
Capitolo 10
The Future of Soccer in a Changing World
As soccer faces its greatest financial crisis due to COVID-19, with European top-division clubs experiencing revenue shortfalls of $8-9 billion, many predict the bursting of a soccer bubble. However, the authors disagree, arguing that soccer will continue expanding globally as viewers from San Francisco to Chennai tune in, transitioning from television to streaming platforms.
Over the last thirty years, sports have been the fastest-growing segment of entertainment, with soccer leading the pack. The TV era brought improved stadiums, reduced hooliganism, and rule changes that protected creative players from violent tackles. This has allowed stars like Messi, Ronaldo, and Ibrahimovic to thrill viewers well into their thirties. Soccer has become truly global, with the Champions League surpassing the Super Bowl in viewership since 2009.
The soccer economy isn't a bubble because higher spending is funded by higher revenues and wealthy investors. Manchester United's sixfold revenue increase over 18 years enabled record transfers like Pogba's $116 million move. While some may morally critique modern soccer's commercialization, this doesn't mean it's economically unsustainable. The game is still penetrating the world's most populous countries, with enormous growth potential in China, India, the US, and Indonesia.
Soccer faces a challenging transition as global TV viewing peaked in 2012 and continues declining. However, this shift to streaming and social media may actually benefit the sport. Throughout history, new technologies that spread action beyond stadiums have always created more revenue-from newspapers to telegraph to radio to television. Social media represents the next evolution, opening new opportunities to monetize fan engagement rather than threatening the sport's economic model.
Rich investors continue flocking to soccer, especially now that UEFA has effectively abandoned Financial Fair Play rules that limited their ability to inject personal funds into clubs. Traditional sugar daddies like sheikhs and oligarchs have been joined by profit-seeking private-equity firms. While the authors applaud these wealthy individuals for burning cash to entertain the rest of us, those expecting to make profits will likely end up disappointed like almost all previous investors. Soccer may live forever, but it will probably never become a good business-and it's all the better for that.
