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ROB Gronkowski appears to be staying fit in his time away from the NFL.
In a new Instagram post, Gronk appeared surprised at a MMA fight in Poland.
Gronk showed up to take in a fight for KSW MMA, the top martial arts competition in Poland.
The former Patriots and Buccaneers quarterback is Polish, so it makes sense that he would visit the country where his roots are from.
Gronk appeared to be in good shape as well, retaining his muscular figure even while in retirement from football.
Fans loved to see Gronk out and about and shared their love for him in the comments.
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"BIG ROBERTO!!!!! Lessssssgo!!!" one fan said.
"Gronk is a dork," another fan said.
"Welcome to Poland," a third fan said.
"Love u with all my heart," a fourth fan said.
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Another fan suggested in the comments that Gronk also spent some time visiting troops during his visit to Poland.
"Thanks for Popping by the army bases in Poland it meant a lot to the soldiers," the fan said.
Gronk has met with Polish troops, spending time during his NFL career to connect with soldiers virtually.
"Thank you guys for everything you do, day in and day out," Gronkowski said in a 2021 meeting.
"A lot of times people call me a hero and all that – I’m not the hero – you guys are the true heroes.
"You guys are letting us back home do what we love to do because you’re protecting us and giving us the freedom that America deserves."
Gronk will return to TV screens this fall to continue his work on Fox NFL Sunday.
This year, he will be coworkers again with his best friend Tom Brady as the legendary quarterback begins his work in the Fox booth.
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Brady signed a 10-year, $375 million deal to become the color commentator on Fox's top broadcast team.
Julian Edelman, another one of Gronk's teammates, is also working for Fox during the NFL season.