Chargers re-sign Rich Ohrnberger

The Chargers have retained an offensive lineman pressed into service at all three interior line positions a season ago. The club announced Wednesday it had re-signed Rich Ohrnberger to a one-year contract. The 6-foot-2, 300-pound Ohrnberger appeared in 13 regular season games in 2013 for San Diego, making one start at right guard. However, he…