Major-league baseball is the dirtiest, and dumbest, American sport
Ten MLB Umpires Retiring, Most Since 1999
Can computers call a better game than human umpires? Major League
These MLB umpires have the worst strike zones - The Washington Post
Red Sox fans, let's talk about balks!
World Series umpire scorecards: How each of MLB's umpires for
The WORST Umpire In Baseball History : r/mlb
MLB umpires missed 34,294 ball-strike calls in 2018, study shows
Should Umpire Who Got In Astros Shortstop Jeremy Peña's Face Over
Play Ball! UConn Magazine
Baseball Umpires Aren't Perfect, OK? : 13.7: Cosmos And Culture : NPR
The 10 WORST Umpire Blown Calls in MLB HISTORY — Humm Baby Baseball
The Umpire Is Out: Calling the Game and Living My True Self: Scott
2021 MLB Umpire Analysis
For aspiring major league umpires, the road is long and hard - ESPN