Redd was sidelined in the first half of the Trojans 62-28 win at California, icing his knee on the training table. Redd did not return to action. He carried the ball six times for 19 yards; he caught one pass for 12 yards, resulting in a USC touchdown.
Redd is still listed on the week's depth chart, as a co-starter with Buck Allen and Tre Madden.
Williams, who is suffering from a shoulder injury, did not participate at California. He was on the sidelines wearing sweats. The sophomore standout is expected to play against Stanford.