Mahaney's jumper lifts No. 22 Saint Mary's (Cal) over BYU

Saint Mary's guard Logan Johnson (0) lays the ball in past BYU guard Dallin Hall (30) during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

BYU forward Fousseyni Traore (45) grabs a rebound from Saint Mary's center Mitchell Saxen (11) during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

BYU guard Dallin Hall, left, drives against Saint Mary's guard Aidan Mahaney (20) during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

Saint Mary's guard Augustas Marciulionis (3) tries to shoot over BYU forward Tredyn Christensen (10) during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

Saint Mary's guard Logan Johnson (0) and BYU guard Rudi Williams (3) scramble for the ball during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

Saint Mary's guard Alex Ducas defends against BYU guard Richie Saunders, front, as Saint Mary's center Mitchell Saxen (11) blocks out during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

Saint Mary's center Mitchell Saxen blocks the shot of BYU forward Fousseyni Traore (45) during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

Saint Mary's coach Randy Bennett yells at an official during the first half of the team's NCAA college basketball game against BYU on Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)

Saint Mary's center Mitchell Saxen (11) shoots over BYU forward Fousseyni Traore (45) during the first half of an NCAA college basketball game Saturday, Jan. 28, 2023, in Provo, Utah. (AP Photo/George Frey)