Baseball is back, and fans can anticipate another season of amazing catches, overpowering pitching, tape-measure home runs – and, yes, controversial calls that lead to blow-ups between umpires and players.

Home plate umpires are at the heart of baseball; every single pitch can require a judgment call. Yet ask any fan or player, and they’ll tell you that many of these calls are incorrect – errors that can affect strategy, statistics and even game outcomes.

Just how many mistakes are mad