MLB umpires just in Orioles spring training game proved not needed

Why Orioles can come back in ALDS vs. Rangers

MLB: Umpire Angel Hernandez takes spring training game too far

No umps when Orioles and Pirates play unneeded bottom of 9th

Baltimore Orioles News - Baltimore Sun

2015 Chicago White Sox–Baltimore Orioles crowdless game - Wikipedia

Why Orioles can come back in ALDS vs. Rangers

Rewind this: Are umpire-manager spats about to become extinct? – The Mercury News

Orioles, Pirates play a spring training inning without umpires

MLB spring training: Pirates and Orioles play umpire-less baseball for needless bottom of the 9th

Orioles minor league report: From Samuel Basallo to Jackson Holliday, a look at the biggest risers — and fallers — on the farm

Baltimore Orioles manager Brandon Hyde, right, argues with home plate umpire Jeremie Rehak after the umpire ejected Hyde during the fourth inning of a baseball game, Thursday, April 8, 2021, on Opening

MLB fans react to Pittsburgh Pirates and Baltimore Orioles finishing spring training game without umpires: Proof that umps aren't needed

Baltimore Orioles outfielder Yusniel Diaz signs an autograph for a fan prior to a spring training baseball game against the Minnesota Twins at Ed Smith Stadium, Monday, March 21, 2022, in Sarasota

Instant replay in Major League Baseball - Wikipedia