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Each team can have 25 players on its active roster in the postseason. They can change the roster between rounds, for example replacing an injured player with another player on the 40 man roster.
usually 25-26 but there are more players on a roster during the end of the season and during the playoffs.
Only if they had played at least one shift in the playoffs.
In Major League Baseball, teams may expand their active rosters to 40 players on Sept. 1, this includes for the playoffs as well. In the playoffs however you can only have 25 active players, the reason 40 players are on your roster is because unlike in the regular season you cannot move players to/from your minor league teams during the playoffs.
The Denver Brocos with 32 players from Texas on its 2013 roster
On September first of each year a teams roster expands to 40 men from 25. However any player not on the teams 25 man roster by August 31st cant be used in the playoffs.
Click on the link below to see the Steelers current roster.
University of miami
The official playing roster of an NFL team is limited to 53 players. The total including the practice squad is eighty players. Injured reserve players are counted against this total but may not play or practice for the current season.