The Chargers continue to add veteran free agents, signing RB Jackie Battle on Friday.
Battle spent the first five seasons of his career with the Chiefs. Last season, Battle played in 15 games with four starts and rushed for 597 yards on 149 carries for two touchdowns. He also had nine catches for 68 yards.
The 6-2, 238-pounder joins Ronnie Brown, Edwin Baker and Curtis Brinkley as backup running backs to starter Ryan Mathews.