USC plays No. 1-ranked Arizona tonight at the Galen Center. You want to know why Bob Boyd is the best coach in school history? Boyd was the coach the last time USC defeated a No. 1 team in 1970, when the Trojans upset UCLA, 87-86. It was the Bruins’ second loss ever at Pauley Pavilion. Boyd also defeated No. 1-ranked UCLA in 1969, the Bruins’ first loss at Pauley Pavilion.