ROB Gronkowski looks to stay fit during his time away from the NFL.

In a new Instagram post, Gronk made a surprise appearance at an MMA fight in Poland.

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Gronk showed up to attend a fight for KSW MMA, the premier combat sports league in Poland.

The former Patriots and Buccaneers quarterback hails from Poland, so it makes sense that he would visit the country where his roots lie.

Gronk also seemed to be in good shape, maintaining his muscular figure even after he retired from football.

Fans loved seeing Gronk out in public and took to the comments to express how happy they were with him.

“BIG ROBERTO!!!!! Lessssssgo!!!” said one fan.

“Gronk is a dork,” said another fan.

“Welcome to Poland,” said a third fan.

“I love you with all my heart,” said a fourth fan.

Another fan suggested in the comments that Gronk also visited the troops a few times during his visit to Poland.

“Thank you for stopping by the military bases in Poland. It means a lot to the soldiers,” the fan said.

Gronk has met with Polish troops in the past and was able to connect with the soldiers virtually during his NFL career.

“Thank you guys for everything you do day in and day out,” Gronkowski said during a 2021 meeting.

“People often call me a hero and things like that. I’m not the hero, but you guys are the real heroes.

“You let us do what we love at home because you protect us and give us the freedom that America deserves.”

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Gronk will return to the TV screen this fall to continue his work on Fox NFL Sunday.

This year, he’ll once again team up with his best friend Tom Brady, as the legendary quarterback takes center stage in the Fox booth.

Brady signed a 10-year, $375 million contract to become a color commentator on Fox’s top broadcast team.

Julian Edelman, another teammate of Gronk’s, also works for Fox during the NFL season.

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