MLB umpire shares his opinion of new rules: Ken Rosenthal's conversation with Dan Bellino - The Athletic
Legendary umpire Joe West dishes on players, managers and replay at 5,000th game
Bob Engel, former MLB umpire with Bakersfield roots, dies at 84 with dubious distinction, Sports
Mets reliever Drew Smith ejected from Subway Series game vs Yankees for illegal substance – NewsNation
No more 'generic Dad Nikes' - How MLB umpires -- yes, umpires! -- are stepping up their shoe game - ESPN
The Last Fun Umpire - Baseball ProspectusBaseball Prospectus
Robo umps reach Triple-A, but MLB rollout still uncertain
AP: MLB appoints 1st black umpire crew chief
Chris Conroy enjoying first full season as MLB umpire so far, Local News
Play Ball! UConn Magazine
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
Joe West says MLB gave Angel Hernandez a 96% grade after awful Phillies game
MLB Rule Changes: Takeaways on pitch clock, bigger bases, more - ESPN
Angel Hernandez's baseball return was his latest rough outing