D: Ray McDonald - With Justin banged up Ray needs to step up his game on the other side and pressure Rodgers all day, plus a sack at a key moment.
O: Kaepernick - He's starting his first divisional playoff game for his childhood team against his other childhood team. How will he respond to the playoff atmosphere?
The X factor will not be AJ Jenkins. I just... I try but I can't see it happening. Not even a slim chance.