The evolution of football

Football remains the world’s most popular sport, with an estimated five billion fans and hundreds of millions of participants globally.¹ Major tournaments regularly command simultaneous audiences at a scale unmatched by most other forms of live content, turning sporting events into global cultural and economic moments. The 2026 World Cup is expected to engage over six billion people—roughly three quarters of the global population—with some estimates suggesting that the World Cup could add USD 41 billion to global GDP.¹

Football is the world’s most popular sport

Estimated number of fans, in billions

Interest in football is global. Football (or soccer as referred to in the US) has fans worldwide with its cultural dominance most pronounced in Latin America and Europe.  Elite clubs maintain massive global followings on social media. For example, Real Madrid has over 470 million total followers across major platforms.² The Premier League (highest level of the English football league system) is broadcast each year to 189 countries, reaching a global audience of over 1.5 billion.³ Furthermore, a growing number of fans support more than one team, which may include for example a local club, a European club and a national team. This layered fandom contributes to football’s global growth. For instance, China accounted for 17.7% of the global linear TV reach of the 2022 World Cup tournament.⁴

At the same time, the game itself has evolved. Over the past decade, football has become more structured and intense, with a growing emphasis on brief, repeatable actions rather than sustained running. Tactical systems have tightened, defensive blocks are more compact, build-up patterns are more rehearsed, and the moments immediately after winning or losing possession now play an outsized role in determining matches.

One of the clearest illustrations of this shift toward system based optimization is the rising importance of set pieces. In recent Premier League seasons, non penalty set piece goals have accounted for a significantly higher share of total goals than a decade ago, with corners representing a growing proportion of those outcomes. In the period 2025/26, almost 28% of goals scored in the Premier League (excluding penalties) were set-piece goals, up from 22% since 2015/16.⁵ Interestingly, 19% were from corners.⁵ Specialist set-piece coaches, once a rarity, have become commonplace, reflecting an environment in which opportunities to differentiate are increasingly engineered through preparation, repetition, and role specialization rather than improvisation.

Percentage of set-piece goals scored in the Premier League

Excluding penalties

As a result, the physical demands placed on players have evolved. While total match distance remains relevant, it is the increase in high intensity actions—such as accelerations, decelerations, short sprints, and rapid changes of direction —that now differentiates elite performance. Research suggests that the most demanding passages of play can far exceed average match loads, placing particular stress on players during congested fixture periods.⁶

These changes have had practical consequences for how players train and how squads are managed. Training methodologies increasingly focus on exposing athletes to short bursts of high velocity work while managing recovery with greater precision. Injury patterns have shifted as well, with muscle injuries, particularly hamstring strains, becoming more prevalent over time—a trend often attributed to higher match intensity and limited recovery windows.⁷ Because the game is more physically demanding, clubs now manage players more carefully. They rotate players more often, require stronger backup options, and pay close attention to keeping players fit and available throughout the season.