Rob Gronkowski left confused as 'FOX NFL Sunday' crew pulls off hilarious prank: 'Whoa!'

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NFL legendary tight end Rob Gronkowski was the subject of a "FOX NFL Sunday" prank that left him flabbergasted in a hilarious scene. 

Whenever it comes to breaking down tight ends, the star-studded crew is going to turn to Gronkowski, the four-time Super Bowl champion who should be wearing a gold jacket one day after being one of the best tight ends in NFL history. 

But his Fox colleagues decided to pull a fast one on him during a fake segment that everyone but "Gronk" knew wasn’t real. 

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Rob Gronkowski (Joe Camporeale-USA TODAY Sports)

"He thought we were going live with an extra segment," Fox NFL Insider Jay Glazer said in a clip recap of the prank. "… The premise was, I was going to ‘break news’ that the Cowboys were activating this great Pro Bowl tight end who doesn’t exist and Gronkowski has to go on what he thinks is live TV to talk about this tight end."

Gronkowski’s colleague, Hall of Famer Michael Strahan, suggested in the next clip that the team should talk about Russo. Thus, the prank begins. 

Glazer then started to talk about Russo being activated by the Dallas Cowboys, but Gronkowski was being very quiet as the fake player was being discussed. Then Strahan stepped in.

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"That’s big because Russo is a complete game-changer, takes so much pressure off [Cowboys quarterback] Dak [Prescott], takes so much pressure off the run game, great blocker, great receiver," Strahan said. 

After that explanation, host Kurt Menefee looked to Gronkowski for his input on Russo, and despite being confused, he