The irony, of course, is that a man so infatuated with one number can’t age past 15.

Rob Gronkowski, the Peter Pan of frat boys, took his act to the Daytona 500 on Sunday, where Fox unleashed him to apparently do some interviews.

The Patriots star tight end, whose carefully maintained public image is as an unrepentant partier who spikes more beers than touchdowns, found his way over to some scantily clad models representing Monster Energy drink.

The somehow 27-year-old Gronkowski, in a spot that would not recall David Frost’s work, made a thinly veiled sex joke.

“What’s your favorite speed limit out there? I hope it’s somewhere around 70 or so,” he said, unable to keep from smiling.

“I am hardcore, I like to go as fast as possible,” one woman offered, throwing a bit of a curveball back Gronk’s way.

The Super Bowl champ has had a long, storied history with the number 69, including intentionally missing a high school free throw to keep his team at his target score.

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