Chargers GM Tom Telesco said at the Combine that he thinks Ryan Mathews can be a "bellcow" back.
New coach Mike McCoy said the Chargers could install some zone-blocking principles in 2013.
Ryan Mathews touched the ball only five times on third down in 2012.
NFL Network analyst and ex-Charger LaDainian Tomlinson thinks the Chargers need to get a complementary back to pair with Ryan Mathews.
According to the Union-Tribune San Diego, there is "some doubt" in the Chargers organization that Ryan Mathews will develop into "the player that was envisioned three years ago."
Ryan Mathews (collarbone) says his 2012 was "just a bad year," but that he still believes he has "what it takes to reach that next level, and that’s what I plan to do."
Ryan Mathews (collarbone, injured reserve) is expected to be 100 percent "well in time" for the beginning of the Chargers' offseason program.
Ryan Mathews broke his left collarbone in Sunday's Week 15 loss to the Panthers and is done for the season.
Ryan Mathews exited Sunday's game with a second-quarter shoulder injury and is done for the day.
The Union-Tribune San Diego expects Ryan Mathews to break or near his career high of 29 touches against the Panthers.
Ryan Mathews rushed 25 times for 65 yards in the Chargers' Week 14 win over the Steelers.
Chargers coach Norv Turner pulled Ryan Mathews aside after Sunday's loss to the Bengals to address comments he made about Mathews' poor "vision" in a pre-game interview with CBS announcers.
Coach Norv Turner attributed Ryan Mathews' Week 13 struggles to an overwhelmed offensive line dealing with multiple injuries.
Ryan Mathews rushed nine times for 26 yards and caught three passes for 25 yards in the Chargers' Week 13 loss to Cincinnati.