Raiders sign Powell, bring back Lambert to practice squad

The Raiders signed wide receiver/return specialist Walt Powell, the team announced Saturday.

Powell was signed off the Buffalo Bills’ practice squad and figures to used almost exclusively as a returner. In four games last season with the New York Jets, he had eight kick returns for 233 yards for a strong 29.1 yard average. That includes a long of 62 yards. He also returned 12 punts for 48 yards.

During the preseason, Powell had a 54-yard punt return for a touchdown in a win over the New York Giants. He was one of the Jets’ final cuts, but returned to the team on the practice squad. He was later released when the Jets signed former Raiders receiver Kenbrell Thompkins and Powell then signed…