Whiteside, a sophomore from Newport Beach (Calif.) Newport Harbor, appeared in 10 games last season, starting three. He finished with 17 tackles, four tackles for loss, three sacks and two forced fumbles.
While Whiteside, a former four-star recruit, was listed as a backup at outside linebacker coming out of the spring, the Golden Bears have plenty of returning depth at that position.
Dan Greenspan is the publisher of Cal Sports Digest and covers the Pac-12 for Fox Sports/Scout.com. Follow him on Twitter @DanGreenspan.