The Oakland Raiders activated cornerback Ron Bartell from injured reserve/designated to return and waived starting cornerback Pat Lee on Saturday.

Bartell has been out of action since suffering a shoulder-blade injury in the season-opener against San Diego.

Lee had started the last seven games for the Raiders. He had 30 tackles and an interception in eight games this season.

In addition, Oakland signed running back Jeremy Stewart to the active roster from the practice squad and placed cornerback Shawntae Spencer on injured reserve.

The Raiders needed to add another running back to the roster with Darren McFadden and Mike Goodson set to miss Sunday's game against the Baltimore Ravens.