Many reasons. For example: because they want to and because its there choice. If they want to there's no stopping them as it's a free country.
25 players
five baseball players
There Are 750 Pro Baseball Players In The World
Nine players.
25 players
26 players
3 players
8 White Sox players were banned from baseball.
there only can be at least 25 players
9 players in total
nine players