ALAMEDA -- Running backspecial teams ace Taiwan Jones banged his knee in practice on Wednesday, when he was listed as limited, and sat out Thursday's practice as a result."We'll see where he's at tomorrow," said coach Dennis Allen.Also, cornerback Shawntae Spencer, who sprained his right foot at Miami on Sept. 16, is out of his walking boot."Obviously, he'll be out this week," Allen said, "and then we'll see where he's at next week."Following, then, is the Raiders' injury report for Thursday:Did not participate -- RT Khalif Barnes (groin), TE Richard Gordon (hamstring), CB Shawntae Spencer (right foot), RB Taiwan Jones (knee).Limited participation in practice -- PK Sebastian Janikowski (left groin), DT Richard Seymour (knee), G Mike Brisiel (concussion), CG Alex Parsons (shoulderback).Full participation in practice -- WR Darrius Heyward-Bey (shoulder), WR Denarius Moore (shoulder), RB Darren McFadden (shoulder), TE Brandon Myers (kneeear).