It's a Really Weird Time to Be an Umpire - The New York Times
MLB umpires get support from players in 'perfectly imperfect' game
How Replay Is Ruining The Great Game Of Baseball - Athletics Nation
Umpire Larry Vanover released from hospital after beaning - ESPN
Barksdale, Hoye, Iassogna and Porter will be the umpire crew chiefs for Wild Card Series, National Sports
It's a Really Weird Time to Be an Umpire - The New York Times
MLB appoints 1st black umpire crew chief
Replay review and ejections - Beyond the Box Score
Lou Piniella not sold on instant replay expansion for baseball – New York Daily News
AP sources: MLB umpire tests positive for virus, crews shift