MLB umpires just in Orioles spring training game proved not needed

No Umps When Orioles and Pirates Play Unneeded Bottom of 9th – NBC10 Philadelphia

Instant replay in Major League Baseball - Wikipedia

MLB spring training: Orioles, Pirates play final half-inning without umpires after crew walks off

Orioles, Pirates play a spring training inning without umpires

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

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

Dean Kremer tosses three scoreless for Orioles in final prep for World Baseball Classic - Camden Chat

Orioles-Pirates play bottom of 9th without umpires

Baseball Oddity: No umpires in 9th inning of Orioles' spring training game - CBS Baltimore

Jim Henneman: Memo To MLB … Fix The Pitch Clock Or Turn It Off - PressBox

Spring baseball is back in Sarasota and without a mask mandate for fans