Unbelievable:

The frat bro football star was at his alma mater of University of Arizona on Saturday to serve as co-captain of their spring football game along with former Patriots linebacker Tedy Bruschi.

Because he's Gronk, the dude decided to catch a football out of a helicopter to set a world record. I mean, why not?

To be fair, it took him three attempts to catch the ball. Here's the full story:

Gronk's gonna Gronk!