Boston Celtics head coach Joe Mazzulla calls to his players during the first half of an NBA basketball game against the Brooklyn Nets, Wednesday, Feb. 14, 2024, in Boston. (AP Photo/Charles Krupa)
Boston Celtics head coach Joe Mazzulla shouts from the bench in the first half of an NBA basketball game against the New Orleans Pelicans, Monday, Jan. 29, 2024, in Boston. (AP Photo/Steven Senne)
Manchester City's head coach Pep Guardiola celebrates after the Champions League, Round of Sixteen first leg, soccer match between FC Copenhagen and Manchester City in Copenhagen, Denmark, Tuesday, Feb. 13, 2024. (Mads Claus Rasmussen/Ritzau Scanpix via AP)
Manchester City's head coach Pep Guardiola arrives on the touchline for the English Premier League soccer match between Manchester City and Chelsea at the Etihad stadium in Manchester, England, Saturday, Feb. 17, 2024. (AP Photo/Dave Thompson)