The Eagles reached deals with a pair of offensive linemen on Monday.
The team signed OG-C Mike Gibson to a two-year contract and C-OG Steve Vallos to a one-year deal.
Gibson has played the past three seasons for the Seahawks, seeing time in 20 games during that time span. He made eight starts for Seattle, all in 2010, with five coming at right guard and three coming at left guard.
Vallos played with the Browns the past two seasons after starting his career with the Seahawks. He has played in 40 career games, with eight starts.