J.J. Watt's selfie sack celebration meant to mock Titans QB Zach Mettenberger

Houston Texans defensive lineman J.J. Watt mocked Titans quarterback Zack Mettenberger with a selfie celebration. After the game, Watt said Mettenberger needed

Houston Texans defensive lineman J.J. Watt mocked Titans quarterback Zack Mettenberger with a selfie celebration. After the game, Watt said Mettenberger needed to focus more, and worry less about posting photos.