WeAreSC Friday links: Practice No. 2

Garry Paskwietz writes: Injuries and fumble problems have hampered D.J. Morgan at USC, but with running back numbers down, the redshirt sophomore knows that it is time to emerge.

Erik McKinney writes: Building a defensive tackle rotation from freshmen and sophomores is a big challenge for USC DL coach Ed Orgeron; Marqise Lee, D.J. Morgan offensive bright spots in a day dominated by the D.

Greg Katz writesInsider: Marcus Martin wasn't nervous about playing as a true freshman, which is why the rising sophomore hasn't looked back after getting the job.

Erik McKinney writesInsider: Immediate observations from USC's second practice of the spring.

Video: Former USC OL Matt Kalil stops by to chat with WeAreSC after his pro day.