The key to No. 20 USC’s rebirth on the defensive line? Accountability.

Up-downs are a tough punishment to swallow. Add a whole other layer to that when the demand comes from a teammate rather than a coach.

“When you hear it, you kind of want to lash out,” USC defensive end Kameryn Crawford said. “But at the same time, you’ve gotta think about where it’s coming from.

“They’re not saying it just to be down on you and talk bad about you. Nah — they want you to get better. Everybody’s got to take that into consideration, what they say, and apply it.”