Umps check Padres pitcher Musgrove's ears for sticky stuff
Concerned about MLB's new rules? This cheat sheet might come in handy
Analysis Robot umpires would make baseball worse : r/baseball
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MLB threatens pitchers with 10-game bans for altering balls
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MLB, Official Information, Umpires
Umpire strikes back; Space Command colonel selected to officiate State of Colorado high school baseball finals > Air Force Space Command (Archived) > Article Display
Why do umpires in baseball cheat? - Quora
Julio Rodríguez sets record with 17 hits in 4 games
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What is the percentage of major league baseball umpires who are wrong in making a call on the field? Do they ever admit it when they have made an error? - Quora
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today