It was later determined that Phillips suffered a stinger, and he returned to Virginia with the team.
Phillips was attempting to tackle running back Darren McFadden inside the 10-yard line in the second quarter when their helmets collided. Phillips was on the ground for approximately 10 minutes, surrounded by most of his teammates, before he was placed on a stretcher and carted off the field.
Phillips typically plays only on special teams, but he was pushed into service because the Washington secondary was banged up and resting players for the playoffs.
The Redskins' secondary also lost another member Sunday, when rookie Kyshoen Jarrett exited in the first quarter with a possible concussion and neck injury. He was ruled out for the rest of the game. Jarrett needed to undergo an MRI to determine the severity of his neck injury.