The two emcees put on a show for the crowd. Gronkowski talked about his Super Bowl wins. Rodriguez poked fun at the tight end's injury history.
Here's a bar that stung the Patriots star: "You have a glass jaw. I broke a glass ceiling. You'll end up on the bench again injured by hurt feelings."
During the battle, Gronkowski showed off his dance skills, which earned him points with the audience, but it wasn't enough for the win.