White, Mobley lead USC past Arizona 87-73

Southern California guard Isaiah White (5) blocks the shot of Arizona guard Bennedict Mathurin (0) during the second half of an NCAA college basketball game, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona forward Ira Lee (11) shoots over Southern California forward Isaiah Mobley during the second half of an NCAA college basketball game, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona forward Azuolas Tubelis (10) shoots against Southern California during the second half of an NCAA college basketball game, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona guard Bennedict Mathurin (0) drives on Southern California forward Isaiah Mobley during the second half of an NCAA college basketball game, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona coach Sean Miller talks to the team during the second half of an NCAA college basketball game against Southern California, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona coach Sean Miller reacts after a play during the second half of the team's NCAA college basketball game against Southern California, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Southern California forward Evan Mobley (4) shoots over Arizona forward Ira Lee during the first half of an NCAA college basketball game Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Southern California forward Evan Mobley (4) reacts after being fouled by Arizona forward Jordan Brown during the first half of an NCAA college basketball game Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona forward Ira Lee (11) drives between Southern California's Evan Mobley and Max Agbonkpolo (23) during the second half of an NCAA college basketball game, Thursday, Jan. 7, 2021, in Tucson, Ariz. (AP Photo/Rick Scuteri)