When it was time for the Andre the Giant Memorial Battle Royal, that's when things got a little interesting.
Gronkowski jumped out of the stands and into the ring at the WWE show to help out friend Mojo Rawley, who was competing in the Andre the Giant Memorial Battle Royal against 24 other competitors.
Gronkowski celebrated with his good friend in the ring, sharing an awesome WrestleMania moment that the fans won't forget.
Thanks to a little help from his friend, Mojo Rawley is the victor of the 2017 Andre The Giant Memorial Battle Royal. But another wrestler, Jinder Mahal, got into a menacing stare down with Gronk, and eventually threw a drink at the strapping Patriots star.
WWE announced that WrestleMania 33 became the highest-grossing event in the history of Camping World Stadium and broke the stadium's attendance record with 75,245 fans from all 50 states and 62 countries.
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Rather surprisingly, it was SmackDown LIVE's Mojo Rawley that managed to overcome the odds to win it all, following in the footsteps of Cesaro, The Big Show and Baron Corbin. The final three were Rawley, Jinder Mahal, and Killian Dain, the big muscle of NXT's SAnitY faction.
"I'm feeling great. I'm good to go", Gronkowski told ESPN.
Another Superstar many suspected had a chance was previous victor Big Show, who was only in the match as a consolation prize because his bout with Shaqille O'Neal fell through.
Patriots tight end Rob Gronkowski had his boss's permission to wrestle, and said he's planning on being a full participant when the bell rings on the offseason program. A Super Bowl or WrestleMania? It left stars like Sami Zayn, Luke Harper and Ziggler left.