Generally, how many players are on a MLB roster? How many backups should you have at each position?
For most of the season, teams have 25 players on the active roster. Most teams carry 5 starting pitchers, 1 closer, and 6 relievers. There are 5 starting infielders and 3 starting outfielders. The backups usually consist of 2 players who mainly play outfield, 1 catcher and the rest are players that can play a variety of infield positions.