Watt was injured in the first quarter.
Earlier in tonight’s game between the Houston Texans and Kansas City Chiefs, star defensive end J.J. Watt injured his knee.
Watt limped to the sideline before getting carted off the field into the locker room
The three-time Defensive Player of the Year suffered a tibial plateau fracture.
Injury Update: DE J.J. Watt has suffered a tibial plateau fracture to his left leg.
— Texans PR (@TexansPR) October 9, 2017
Watt is likely out for the season, according to Ian Rapoport. This comes after he missed most of the 2016 season after undergoing back surgery.