Watt mocks Mettenberger with selfie, says this is the NFL 'not high school'

Houston Texans defensive end J.J. Watt poked fun at Tennessee Titans quarterback Zach Mettenberger with a selfie-themed celebration after sacking Mettenberger in the teams' game Sunday.

Houston Texans defensive end J.J. Watt poked fun at Tennessee Titans quarterback Zach Mettenberger with a selfie-themed celebration after sacking the rookie QB Sunday.

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Mettenberger celebrated being named the Titans' starting quarterback this week by posting several selfies on social media. Watt later said he wanted the rookie to realize that he's in the NFL now, not "high school."

More JJ Watt on Zach Mettenberger posting selfies this week & today before the game:"I take my job very seriously & if I was a rookie(more)

— Mark Berman (@MarkBerman_) October 26, 2014

More JJ Watt on Zach Mettenberger: "..quarterback being named the starter 4 my 1st time in the league I feel I could be a little (more)

— Mark Berman (@MarkBerman_) October 26, 2014

More JJ Watt on Zach Mettenberger: "..bit more focused than that. So maybe he'll learn from that maybe not"

— Mark Berman (@MarkBerman_) October 26, 2014

Watt had two sacks in the game and now has seven this season. Mettenberger went 27-for-41 for 299 yards, two touchdowns and one interception in his NFL starting debut.

The Texans defeated the Titans 30-16 to improve to 4-4 this season. Tennessee dropped to 2-6.

- Ben Estes