Did USC address its needs on signing day? I'm concerned about lack of defensive line talent and depth.
— Basel Nizamm, @baselnizam
The defensive line has depth, but it is certainly lacking for experience after five seniors, three of them starters, exhausted their eligibility after last season.
USC has signed nine linemen in its last two recruiting classes.
Rasheem Green and Noah Jefferson played in all 14 games as freshmen last season. They made a combined 18 tackles and Green recovered a fumble and returned it 31 yards for a touchdown.
Freshman Jacob Daniel played in three games...