Players' Union This was the second attempt at the unionisation of professional football players after the failure of the Association Footballers' Union which dissolved itself in 1901. This Union was formed because the Football League had ratified a maximum wage for footballers in 1901 at £4 ("2012: £") . This severely limited the opportunity to earn wages that allowed the best players in the country to forgo the need to take paid employment outside of football. Until then, individual clubs had set their own wage policies throughout the country. The Union, basically, led from where the previous AFU had left the situation:
Squad number (association football) goalkeeper Cristiano Lupatelli wearing number 10 from 2001 to 2003 and midfielder Jonathan De Guzman wearing number 1 in 2016. In the Spanish La Liga, players in the A-squad (maximum 25 players, including a maximum of three goalkeepers) must wear a number between 1–25. Goalkeepers must wear either 1, 13 or 25. When players from the reserve team are selected to play for the first team, they are given squad numbers between 26 and 50. North American professional club soccer follows a model similar to that of European clubs, with the exception that many American and Canadian clubs do not