J.J. Watt takes the NFL very seriously, so he gave Titans rookie quarterback Zach Mettenberger a reminder that this isn't high school by mocking the first-time starter with a pretend selfie. Watt celebrated and sent his message after coming up with two sacks, a batted pass he nearly picked off and a forced fumble as the Houston Texans beat the Tennessee Titans 30-16 Sunday for a win in the franchise's 200th game. Read more http://scores.espn.go.com/nfl/recap?gameId=400554230