MLB umps average about 94% correct on balls/strikes. Wouldn't really say frequently.
MLB umpires get about 1/5 called balls and strikes wrong. That’s very frequent:MLB umps average about 94% correct on balls/strikes. Wouldn't really say frequently. Hitters average about 25% hits... Sidenote: Home plate ump in the Angels vs Tigers game yesterday saw 122 taken pitches. Made the correct call on 121 of them. One strike right at the lower corner he called a ball.
In general, we all need to learn to deal with whatever the umps strike zone is for a given game. If balls in the players eyes are strikes that day, the batters better start tomahawking them the best they can. Or, strike out looking, and then complain about the umps.
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?
After analyzing 4 million Major League Baseball pitches from 11 seasons, researchers at Boston University learned that younger umpires are more accurate in calling balls and strikes and 2-strike counts favor pitchers over hitters, among other fascinating findings.
www.bu.edu