Ryan Mathews: It will be “awesome” working with Donald Brown

Chargers running back Ryan Mathews played 16 games for the first time in his career in 2013, rushing for 1,255 yards and helping the Chargers to a playoff berth in the process. The Chargers responded to Mathews’ long-awaited full season by moving quickly in free agency to sign running back Donald Brown to a three-year,…