umpire

John Roberts would simply be the umpire, calling balls and strikes, with no rooting interest — save the integrity of the Supreme Court.

Later matches were overseen by two umpires, one provided by each team with an on-field referee — often the game’s timekeeper — breaking the tie in particularly sticky situations.

Hope kept up the fight after he survived a close lbw appeal, which India reviewed but lost as ball tracking confirmed the umpire's call.

Holger Rune, one of the world’s best tennis players, was in Shanghai this month, sitting on court in a puddle of his own sweat, when he turned to the chair umpire in bewilderment.

Second baseman Jazz Chisholm Jr. thought it was going to fly entirely over the foul pole—and that the umpires would rule it foul.