List of people banned from Major League Baseball
A ban from Major League Baseball is a form of punishment levied by the Office of the Commissioner of Major League Baseball (MLB) against a player, manager, executive, or other person connected with the league as a denunciation of some action that person committed deemed to have violated the integrity of the game and/or otherwise tarnished its image. A banned person is forbidden from employment with MLB or its affiliated minor leagues, and is forbidden from other professional involvement with MLB such as acting as a sports agent for an MLB player.
Source: Wikipedia — List of people banned from Major League Baseball (CC BY-SA 4.0)