J.J. Watt wants to sack Peyton Manning

J.J. Watt has become the Sultan of Swat in Houston, batting down five passes already this season. But he has a different goal Sunday against the Broncos. “I want to have No. 18 on my sack list,” Watt told Tania Ganguli of the Houston Chronicle. “That’s my goal.” Watt has three sacks this season, and…