Saint Mary's ended the nation's longest winning streak and Gonzaga's six-year reign as WCC Tournament champions, grinding out a 60-47 victory in the title game.
Clarke had 21 points, 13 rebounds and four blocks, and Gonzaga extended the nation's longest winning streak to 19 games, thumping Pacific 86-66 on Thursday night.
Rui Hachimura scored 23 points, leading four Zags in double figures as the Bulldogs beat Pepperdine 92-64. Josh Perkins became the career assist leader at No. 2 Gonzaga.
No. 2 Gonzaga looks for its 27th straight conference win against Pepperdine. Gonzaga's last WCC loss came against the Saint Mary's Gaels 74-71 on Jan. 18, 2018.
No. 3 Gonzaga looks for its 16th straight win in the head-to-head series over LMU. Gonzaga has won by an average of 24 points in its last 15 wins over the Lions.
Fourth-ranked Gonzaga was clinging to a three-point lead over San Francisco late in the first half Thursday when someone flipped the switch on guard Zach Norvell Jr.
The No. 4 Gonzaga could be on cruise control all the way into March. Brandon Clarke and Rui Hachimura combine for 43 points leading the Zags to a 93-63 rout of BYU.
Rui Hachimura finished with 16 points, Josh Perkins had 18 points and every Gonzaga starter scored in double figures as Gonzaga rolled past Santa Clara 98-39.