Sally Perez and Maggie Boyd won the clincher as UCLA swept top-seeded Stanford 3-0 to win the Bruins’ third NCAA beach volleyball championship. Perez and Boyd wrapped up the Bruins’ first championship since winning back-to-back titles in 2018-19, beating the Cardinal’s Kelly Belardi and Avery Jackson 21-11, 21-19. Kaley Mathews and Ensley Alden got third-seeded UCLA (33-6) off and running with a 21-16, 21-11 victory over Brooke Rockwell and Ruby Sorra. Ava Williamson and Jesse Dueck gave the Bruins a 2-0 lead in the closest match of the day, beating Indigo Clarke and Clara Stowell 21-17…