Mathews, USC snap UCLA's 7-game streak on last-second 3

Southern California forward Nick Rakocevic (31) dunks over UCLA forward Jalen Hill (24) during the first half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California head coach Andy Enfield yells out instructions during the first half of an NCAA college basketball game against Southern California Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California guard Jonah Mathews (2) makes a game-winning 3-point basket over UCLA forward Jalen Hill as time expires during the second half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

UCLA guard Chris Smith, right, is defended by Southern California guard Ethan Anderson (20) and guard Jonah Mathews during the first half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

UCLA forward Jalen Hill (24) grabs a rebound next to Southern California forward Isaiah Mobley (15) during the first half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California guard Jonah Mathews, center, is hugged by teammates after making a game-winning 3-point basket at the end of an NCAA college basketball game against UCLA Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)d

Southern California guard Jonah Mathews (2) celebrates his game-winning 3-point basket with teammate Ethan Anderson (20) in the final seconds of an NCAA college basketball game against UCLA Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California forward Nick Rakocevic (31) blocks a shot from UCLA guard Jaime Jaquez Jr. (4) during the first half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California guard Jonah Mathews (2) is hugged by teammates after making a game-winning 3-point basket at the end of an NCAA college basketball game against UCLA Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)d

Southern California guard Jonah Mathews (2) runs back after making a game-winning 3-point basket over UCLA forward Jalen Hill (24) as time expired during the second half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California guard Jonah Mathews, right, dibbles next to UCLA forward Cody Riley, center, during the first half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California 's Onyeka Okongwu (21) shoots over UCLA guard Jake Kyman (13) and Tyger Campbell, left, during the first half of an NCAA college basketball game Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California forward Onyeka Okongwu (21) grabs a rebound during the first half of an NCAA college basketball game against UCLA Saturday, March 7, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)