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May 12, 2026

What is a Salary Cap and Why Are They Used?

What is a Salary Cap and Why Are They Used?

In North American professional sport, salary caps are the norm. This, however, isn’t the case worldwide, where the idea in European football is an alien one.

So why such differing views? This article will explore the history of salary caps in professional sport and the reason for their existence, before finally analysing their effectiveness.

How Did Salary Caps Begin?

After experimenting with and quickly abandoning the concept in the 1940s, the NBA was the first league to properly implement the salary cap system in 1984.

This came after the 1983 Collective Bargaining Agreement (CBA) that established revenue-sharing between the NBA and its players, and the minimum and maximum wage limits we now know as a salary cap. The agreement intrinsically linked player earnings to the league’s income, with 53% of the NBA’s gross revenue being allocated to player wages.

A decade later the NFL followed suit, opting to introduce a $34.6 million cap rather than tying it to the league’s earnings. As for the NHL, a cap was introduced in 2005 following the 2004 NHL lockout that saw the season cancelled as the player’s union and the league could not agree on the structure of the proposed salary cap.


Eventually, an agreement was reached that guaranteed players 54% of the NHL’s revenue, whilst also guaranteeing their contracts.

The fourth major sports league in North America, MLB, operates a slightly different system, implementing what is called the Competitive Balance Tax, otherwise known as a luxury tax. Introduced in 1997, the rules essentially allow the league to fine MLB teams whose payroll exceeds a predetermined threshold, attempting to promote even spending across the league.

The Purpose of Salary Caps

Salary caps exist for a simple reason, and that is maintaining competitive balance across a league.

The idea is that if richer teams are allowed to spend what they like on player wages, they can attract the highest quality players and essentially ensure success. The opposite is also true, franchises with less money wouldn’t be able to afford the best talent and therefore have a very small chance of success.

Salary caps intend to disrupt this by preventing teams from spending vast amounts more than anyone else, meaning talent is more evenly distributed across different teams making for a more competitive league.

“’The agreement was designed for the Indiana Pacers of the world to compete more favorably on the free agent market,” said Charles Grantham, vice-president of the NBA Players Association when the cap was introduced in 1983.

Do Salary Caps Really Make Sport Fairer?

Some argue that it depends entirely on the type of cap and how strictly it is enforced. 

One analysis examined the average points totals of teams across different leagues in North America, and found that regardless of the regulations in place, a similar percentage of teams moved closer to the average each season rather than further away from it, a common indicator of parity amongst teams. In other words, the rules themselves may not significantly affect how balanced a league actually is, as long as there is some form of restriction.

Other research suggests the opposite, arguing that the structure of the rules is in fact significant. Discussing the NBA’s luxury tax system, often referred to as a ‘soft cap’, the claim is made that the more lenient systems allow teams to exceed the spending limit if they are willing to pay financial penalties. This can favour wealthier franchises as they have more freedom to sign elite players, especially when teams with lower budgets have to remain cautious about breaching the threshold.

The clearest difference, however, appears when comparing leagues with spending restrictions to those without any at all.

European football is the most obvious example of the latter, and has a very limited history when it comes to limits placed on player wages. By contrast, all four major North American leagues have operated with some form of salary restriction since 2005, and the variation in league winners since then highlights the difference in competitive balance between the two systems.

Since 2005, only five clubs have won the Premier League, while there have been seven winners in Ligue 1, four in Serie A, five in the Bundesliga, and just three in La Liga.

In comparison, the NFL has produced 13 different champions over the same period, the NBA has had 12, the NHL has had 13, while MLB has had 14 different winners. Overall, there is far less long-term dominance by a small group of teams.

Of course, salary caps are not the only factor. The absence of promotion and relegation in North American sport allows franchises to commit to longer-term rebuilding projects, while draft systems give weaker teams access to elite young talent, something smaller clubs in European football don’t have.

Why Are There No Salary Caps in European Football?

The aforementioned promotion and relegation system is one of the reasons why European football hasn’t had to implement any salary caps.

In North American leagues, the closed system means restrictions will always apply to all teams that can compete in the league. This becomes more complicated when other leagues are introduced, as argued in this report on the viability of caps in English football

In part, the report uses the example of the Championship, stating a salary cap would severely limit the competitiveness of teams that get promoted from it. This is because a Championship club, whose salary cap would naturally be significantly lower than their Premier League counterparts, would struggle to attract talent good enough to keep them in the Premier League should they get promoted. In other words, why join a team that can only guarantee your wages for a year, before likely relegation would see them significantly reduced? 

Nevertheless, an attempt at implementing salary caps in English football was made in 2021, when the EFL briefly introduced the rules to League One and League Two. In this example, the EFL saw the cap tied to the poorest club, meaning larger clubs couldn’t spend more even if it was within their means.

If it hadn’t been revoked, with the PFA deeming the rules as “unlawful and unenforceable”, this may have seen a widening of the gap between League One and Championship clubs, whilst also making it difficult for relegated Championship teams, whose wage structures don’t operate under a cap, to adapt. 

The issues are further exacerbated by the transfer market that football has in place. Introducing a salary cap to one country may see a mass exodus of talent, while implementing the same rules across all footballing nations may simply be too large a task.

Salary caps, therefore, can be seen as incredibly context-dependent, if they are enforced and ingrained in the sport’s rules, they can be a useful tool to increase competitiveness. 

To learn more about the regulatory systems in place across world sport, from the Premier League’s new financial regulations to the business that is US college sports, view our news page.


Article by Zakaria Anani

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