The undefeated Indianapolis Colts will face the Carolina Panthers here Sunday without wide receiver Marvin Harrison, as the 12-year veteran was downgraded to "out" by the team on Saturday afternoon while he continues to battle a bruised left knee. ndianapolis will also be without starting weakside linebacker Freddy Keiaho, who is suffering from the effects of a concussion. Harrison, 35, injured his knee in a Sept. 30 game against Denver, missed the following week, but then started in last Monday night's victory at Jacksonville, catching three passes for 16 yards. The eight-time Pro Bowl receiver told coach Tony Dungy after the victory over the Jaguars that his knee, which had limited him in practice much of the week, was no worse than before the game.