The European soccer economy is quite different from that of American sports with their carefully regulated trades and salary caps. The right to contract players can be bought and sold.

美国的联赛都有详细的转会规定，并且采取了限薪制度，欧洲足球则不一样，合同在身的球员也可以买卖。

youdao

The European soccer economy is quite different from that of American sports with its carefully regulated trades and salary caps. The right to contract players can be bought and sold.

美国的联赛都有详细的转会规定，并且采取了限薪制度，欧洲足球则不一样，合同在身的球员也可以买卖。

youdao

Salary caps are common in American sports, but the English Premier League chief executive Richard Scudamore said the US system would be unfeasible in England.

薪金上限制度在美国体育界很平常，但是英超联盟首席执行官理查德·斯丘达莫尔说，美国的体制在英格兰行不通。

youdao

This is also because, unlike American sports where drafts and salary caps tend to level the playing field over time, soccer teams in the same league can have radically different resources, sometimes by a factor of 10 or more.

WSJ: Hot Managers Moyes, Martinez Look to Future

In most U.S. sports because of free agency, salary caps and the draft maintaining success is extremely difficult and you come to accept that successful teams get broken up: Just look at what is happening to the Super Bowl champion Baltimore Ravens.

WSJ: Soccer's Borussa Dortmund Faces Uphill Battle to Maintain Success

Add in that sports actually try to prevent the creation of dynasties through a variety of rules like drafts or salary caps and you can easily understand that leadership skill and organizational design are critical to success in sports because market and technological advantages are blunted by rule.

FORBES: The Coaching Carousel