Will the deepest group in years have enough talent to replace All-American Leonard Williams?
The defensive line is a bit of a question mark heading into 2015. They're a talented group with loads of potential, but how will they respond to the loss of Leonard Williams? Williams was one of the most productive defensive linemen in the country, racking up 218 total tackles, 36.5 TFL, 21 sacks, and 5 FF in three seasons at USC. A talent like Williams is nearly impossible to replace, but if the Trojans have legitimate hopes of contending for a national title, they'll have to do just that.