I Find It Very Difficult' to Watch: Why MLB Greats Think Baseball's in Trouble, News, Scores, Highlights, Stats, and Rumors
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
How Much Are MLB Umpires Paid?, News, Scores, Highlights, Stats, and Rumors
Minor League Baseball umpires
Zimmerman avoids tag to score, 03/25/2017
MLB rule changes for 2023: The shift, pitch clock, pickoffs, bigger bases, etc. - AS USA
ALCS Game 5: Umpire Falls Two Pitches Short of Perfection in Rangers-Tigers Game, News, Scores, Highlights, Stats, and Rumors
MLB watching Atlantic League experiment with speeding up play - Newsday
How much do MLB umpires make in the playoffs? Postseason salaries for umps - AS USA
The Official Site of Major League Baseball
Why does it seem there has been an increase in double-digit scores in professional baseball games? - Quora
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today