Pittsburgh Steelers star linebacker T.J. Watt injured his left ankle in the fourth quarter of Sunday's 27-13 loss to the Philadelphia Eagles and didn't return. Watt told reporters after the game that he rolled the ankle. Watt said he underwent X-rays and the results were negative. Steelers coach Mike Tomlin said that Watt will be evaluated throughout the week. Pittsburgh visits the Baltimore Ravens in an AFC North showdown on Saturday. Watt said he was unsure if he would be able to play against Baltimore. Watt was injured while rushing around the edge in an effort to reach Eagles quarterback Jalen Hurts.