San Diego, California - The San Diego Chargers signed outside linebacker Adrian Hamilton and center Khalil Wilkes, the team announced today.

Hamilton, 6-3, 255 pounds, played most recently for the Baltimore Ravens as a rookie in 2012. He played in two games for the Ravens, recording one tackle on special teams stretch run toward a Super Bowl championship, although he was inactive throughout the postseason. Hamilton missed the entire 2013 season due to a wrist injury and was released last month.

A collegiate star at Prairie View A&M, Hamilton recorded 108 tackles, 26 sacks and 34.5 tackles for loss during two seasons.  He led the nation with 20.5 sacks as a senior, besting Robert Mathis’ Southwestern Atlantic Conference single-season record along the way.

Wilkes, 6-1, 292 pounds, is an undrafted rookie who was a second-team All-Pac-12 selection as a senior at Stanford in 2013. He was invited to participate on a tryout basis at the Chargers’ rookie mini-camp in May.

Wilkes played four seasons at Stanford, appearing in 38 total games as both a left guard and center. Wilkes is a native of Hackensack, New Jersey. He played as a prep at St. Peter’s in Teaneck, N.J. before attending Stanford.

Wilkes’ father, William B. Wilkes II, played defensive back at Rutgers from 1986-91. His uncle, Kasib Powell, played basketball collegiately at Texas Tech and professionally with the Miami Heat.