Smith-Marsette has 3 TDs, Iowa beats USC in Holiday Bowl

Iowa tight end Sam LaPorta (84) runs with the ball while defended by Southern California cornerback Greg Johnson (9) during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Southern California safety Talanoa Hufanga (15) knocks the ball out of the hands of Iowa quarterback Nate Stanley (4) who was attempting to throw a pass during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa wide receiver Ihmir Smith-Marsette reacts after scoring a touchdown during the first half of the Holiday Bowl NCAA college football game against Southern California, Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa wide receiver Brandon Smith, right, reaches forward as he goes out of bounds as he is tackled by Southern California cornerback Olaijah Griffin during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa wide receiver Tyrone Tracy Jr. (3) scores a touchdown during the first half of the Holiday Bowl NCAA college football game against Southern California, Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Southern California wide receiver Drake London, left, is congratulated by offensive tackle Jalen McKenzie (70) and wide receiver Michael Pittman Jr. (6) after scoring a touchdown during the first half of the Holiday Bowl NCAA college football game against Iowa, Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Southern California wide receiver Drake London (15) scores a touchdown ahead of Iowa defensive back Matt Hankins (8) during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa defensive end A.J. Epenesa, left, is blocked by Southern California offensive tackle Austin Jackson (73) during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa quarterback Nate Stanley looks to throw a pass during the first half of the Holiday Bowl NCAA college football game against Southern California, Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa wide receiver Tyrone Tracy Jr., left, is congratulated by quarterback Nate Stanley after scoring a touchdown during the first half of the Holiday Bowl NCAA college football game against Southern California, Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Southern California quarterback Kedon Slovis looks to pass during the first half of the Holiday Bowl NCAA college football game against Iowa, Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)