A conventional game of basketball involves five players on the floor at a time from each of the two teams competing. However, teams often have substitute players on the bench who relieve starters. In the NBA, for instance, a team is allowed to have 12 active players throughout the season. read more
It depends on the team and how many walk-ons they have. There is a limit to the number of scholarship players each team can have - I think it is like 10-12 scholarship players. Most teams probably have about 12-15 players. read more