One of the recurring themes in reviewing USC's prospects for a successful season in 2014 is the lack of depth found on its roster in terms of scholarship players.
Indeed, given the ramifications of three years of scholarship reductions—courtesy of the NCAA's sanctions relative to the Reggie Bush fiasco—USC does find itself with a roster that is woefully thin in some critical areas.
Because of this, the Trojans will depend on good health in 2014 and, in addition to that good fortune, they will need steady play from the second-string players who are backing up the starters.
This slideshow will look at these important players and the role they will be counted on to fulfill as the Trojans embark on the Steve Sarkisian era.
While all of the players—walk-ons included—are important to the success of the Trojans this year, here are some of the most critical backups for USC in 2014.