Minor League Transactions Glossary

Minor League players are generally under contract to a Major League Club and are assigned to play for a Minor League Club
(1) that the Major League Club owns or
(2) that has a Player Development Contract with the Major League Club.

Major League Clubs may freely assign their Minor League players among their affiliated Minor League Clubs, subject to certain league age and service requirements.

The following glossary describes some terms used in Minor League transactions.
References to "players" in the glossary apply only to Minor League players.
Reserve List:
The roster of players eligible for placement on the Active List:
For Class AAA, the Reserve List limit is 38 players;
For Class AA, the Reserve List limit is 37 players; and
For Class A, Short-Season and Rookie, the Reserve List limit is 35 players.