MLB umpires just in Orioles spring training game proved not needed
Baltimore Orioles: Projecting the starting outfield in 2019
No umps when Orioles and Pirates play unneeded bottom of 9th
The Orioles have been inadequate at developing Ryan Mountcastle's defense - Camden Chat
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MLB Umpires Admit Pitchers Throw Way Too Fast To Actually See Ball : r/ baseball
Baseball News
Jack Flaherty strikes out 8 in Orioles' loss to Astros
Orioles-Pirates play bottom of 9th without umpires
Marlborough's Jim Reynolds calls it a career after 24 years as an MLB umpire - The Boston Globe
MLB fans react to Pittsburgh Pirates and Baltimore Orioles finishing spring training game without umpires: Proof that umps aren't needed
This 2015 MLB game without fans was unforgettable