USC freshman quarterback Kedon Slovis suffered a right elbow injury Friday night and is set to undergo an MRI to determine the severity.
Slovis was knocked out of the San Diego County Credit Union Holiday Bowl in the third quarter with what coach Clay Helton said is a possible sprain.
The No. 22 Trojans fell apart after Slovis left, losing 49-24 to No. 16 Iowa and snapping their three-game winning streak.
Slovis was hurt on a sack and was replaced by Matt Fink.
"I mean, nothing really changed," USC receiver Michael Pittman Jr.