Joel Ayayi scored 12 of his 14 points in the second half and No. 2 Gonzaga survived a scare to outlast San Francisco 81-77 in the WCC tournament semifinals.
The No. 23 BYU Cougars imposed their will on offense and defense for the better part of 40 minutes for a 91-78 victory over second-ranked Gonzaga Bulldogs.
Killian Tillie scored 22 points, Corey Kispert added 18 and top-ranked Gonzaga rallied to beat Portland 85-72. It was the Bulldogs' 12th straight victory over the Pilots.
Killian Tillie made a key 3-pointer as the shot clock expired with 2:55 left and Joel Ayayi hit a 3 with 24 seconds left and No. 9 Gonzaga held off No. 22 Washington 83-76.
Ryan Woolridge had 19 points and nine rebounds and Killian Tillie
finished with 15 points and eight rebounds as No. 8 Gonzaga held off Texas-Arlington 72-66.
Gonzaga forward Killian Tillie will test the NBA waters. The school said Sunday that Tillie will submit his name for the NBA draft, but the junior could return to school.
Gonzaga coach Mark Few announced that the Bulldogs will be without Killian Tillie for up to eight weeks after having surgery for a stress fracture in his ankle.