Yankees' Boone ejected for 5th time this season
Angel Hernandez now interim umpire crew chief after opt outs
Umpire Placement Course
Umpire (baseball) - Wikipedia
Ex-umpire Don Denkinger dies; blew call in 1985 World Series' Game 6
1999-2023 MLB Umpire Rosters, Post Season and All Star Game Crews
MLB umpire job responsibilities
MLB appoints 1st black umpire crew chief
MLB notebook: Diamondbacks hire first woman to manage Class High-A
MLB appoints Kerwin Danley, Alfonso Marquez as first African
Astros rough up Rangers' Scherzer again, scoring 5 in 4 innings of
MLB cites two Red Sox games in response to Angel Hernandez legal
It's a Really Weird Time to Be an Umpire - The New York Times