Carpenter was without the protective boot over his injured ankle on Wednesday but was still limping heavily. Erickson said that he has been impressed with Sullivan's performance in practice this week. No amount of practice, though, can prepare the first-time starter for a game like this.
Meanwhile, USC linebacker Rey Malunga will play in Saturday's game and it looks like Sanchez might play after all as well.
Photo courtesy sundevilgridiron.com