The line-up was officially reduced to 21 players on 27 May 2011.
Teams are reduced to five players, including the goalkeeper, per team.
After the final preseason game, all teams had to reduce their rosters to 53 players.
Thus, no team can be reduced to four players in those leagues.
There was a second, 54-hole cut, that reduced the field to 72 players, again at -3.
In 2005, the band's management sought to reduce five members from its ranks over three years to 48 players.
The proposed deal had been attacked on the ground that it would have reduced the industry to two dominant players from three.
In 2010, the field was reduced to 63 players and the purse reduced to $1.3 million.
The field will be reduced to 72 players after Friday's second round, with a playoff for the 72d spot, if necessary.
The squad has since been reduced to 46 players.