Ellis sparks Southern Cal past Washington State 80-70

Southern California guard Reese Dixon-Waters, right, shoots as Washington State guard Justin Powell defends during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California forward Kobe Johnson (0) and Washington State forward Mouhamed Gueye tussle during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California forward Joshua Morgan writhes on the floor after being injured during the first half of an NCAA college basketball game against Washington State Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California guard Reese Dixon-Waters, left, screams as his leg gets stuck under Washington State forward Carlos Rosario during the second half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California guard Drew Peterson, left, passes the ball as Washington State forward Mouhamed Gueye defends during the second half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Washington State head coach Kyle Smith yells to his team during the first half of an NCAA college basketball game against Southern California Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California forward Kobe Johnson, left, shoots as Washington State forward Andrej Jakimovski defends during the second half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California guard Boogie Ellis, center, celebrates after scoring during the first half of an NCAA college basketball game against Washington State Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California guard Tre White (22) shoots as Washington State forward Andrej Jakimovski (23) defends during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Washington State forward Mouhamed Gueye, right, shoots as Southern California forward Joshua Morgan defends during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California forward VIncent Iwuchukwu, right, shoots as Washington State guard Jabe Mullins defends during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Washington State guard TJ Bamba, center, shoots as Southern California guard Drew Peterson, left, and guard Tre White defend during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Washington State forward Mouhamed Gueye, left, shoots as Southern California forward Kijani Wright defends during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)

Washington State forward Mouhamed Gueye, center, shoots as Southern California forward Kobe Johnson, left, and guard Drew Peterson defend during the first half of an NCAA college basketball game Thursday, Feb. 2, 2023, in Los Angeles. (AP Photo/Mark J. Terrill)