The phrase "assistant umpire" is correct and usable in written English.
It can be used in the context of sports, particularly in games like tennis or cricket, where an assistant umpire helps the main umpire with officiating duties.
Example: "The assistant umpire called the ball out, confirming the main umpire's decision."
Alternatives: "line judge" or "deputy umpire".
An Olympic gold medalist in rowing, Matthew Pinsent, who was assistant umpire for the race, told the court that Mr. Oldfield could have been killed if he had been struck by an oar.
Former Cambridge rower and Olympic bronze medallist Sarah Winckless, who will be assistant umpire in the men's race, says she cannot help but be "massively jealous" of the women's crews, having competed for her university during the 1990s.
It was my first time as assistant umpire – on the catamaran that follows the two crews – and my role was to watch the racing line, and look out for debris.
Olympic rower Sir Matthew Pinsent, who was assistant umpire of the race, told police he was "alarmed" by the swimmer.
The jury heard a statement from four-time Olympic gold medal-winning rower Sir Matthew Pinsent, who was assistant umpire of the race.
Earlier, the jury heard a statement from four-time Olympic gold medal-winning rower Sir Matthew Pinsent, who was assistant umpire of the race.
Representing Major League Baseball will be two executive vice presidents, Rob Manfred, the top labor executive, and Sandy Alderson, the baseball operations chief, and Ralph Nelson, an Alderson assistant, who will oversee the umpiring staff.
The former Costa Mesa High baseball assistant coach and player was an umpire for District 62 Little League.
Jeff Cook, 58, Dec. 15: A former Costa Mesa High baseball assistant coach and player and an umpire for District 62 Little League.
"Today with the technology that you have, when a guy like Dickey throws the knuckleball, the evaluation and everything is on every pitch you call," said Bruce Froemming, a former umpire and Major League Baseball's special assistant to the vice president on umpiring.
During the off-season, umpire Cy Rigler worked as an assistant coach for the University.
