Rookie starter T.J. Watt had a pretty quiet game last week against the Chiefs in Kansas City, registering just one tackle, though that is not necessarily indicative of poor play. He was far more active yesterday against the Bengals, registering a total of six tackles to go along with his fourth sack of the season, which now puts him in a three-way tie for the team lead in sacks.
From what I can quickly gather, it seems as though at least three of his tackle were registered as stops, all against the run, and I believe each of them came against a different running back.