Robot umpires and a ball/strike challenge system are coming to Triple-A in 2023 - Bleed Cubbie Blue
Ex-Met Rafael Montero a key piece for Astros amid revival
Iowa Native Lands Grand Slam Gig as World Series Umpire
Umpire Hoberg called perfect game in Game 2 of World Series
Umpire (baseball) - Wikipedia
Major League Baseball Umpire Pat Hoberg Q&A Session
MLB announces that Game 2 of the World Series was a perfect game
Umpire calls a perfect game in the World Series, a breakdown
UMPS CARE AUCTION: MLB Specialty Stars and Stripes Plate Cap Signed by Pat Hoberg Size 7 1/8