Managers are meant to be the guys that keep everything in order as they run the team on the baseball diamond. They make the substitutions when needed, set the lineup, and bring the players to a mutual goal: a World Series win.
However, even the best managers make flat-out stupid decisions at times. Whether it's leaving in a pitcher way too long, putting in a player that had no business being put in, or just having a brain fart, managers can have their reputations cemented by one bad decision.
Here are the worst managerial decisions in history, complete with ramifications and video if possible.