Derek Cox

The San Diego Chargers agreed to terms on a four-year contract with Cox, who had 12 interceptions the last four years with Jacksonville. The deal reportedly is worth $20 million.

Posted: Mar. 14, 2013 12:20 AM ET

Cox, 26, had four picks in 12 games last year. He's expected to slide into the starting lineup. Both of San Diego's starting cornerbacks, Quentin Jammer and Antoine Cason, are expected to leave as unrestricted free agents.