Watch Jason Kelce Arm Wrestle Rugby Star Nicole Heavirland While Wearing a Beret in Paris

Jason Kelce has found a formidable foe -- and it's not his brother, Travis Kelce .

Traveling to Paris, France for the 2024 Olympics, the 36-year-old retired NFL player -- clad in a beret and U.S.-themed apparel -- took the opportunity to face off against Team USA rugby player NicoleHeavirland in a classic arm-wrestling battle.

In a video posted by 29-year-old Heavirland on Sunday, the pair are counted off by onlookers before fighting to the death to win bragging rights. The clip shows the footballer and the rugby professional in a deadlock for several seconds (with Jason holding the table for support), before Jason ultimately forces Heavirland's hand down.

"@jason.kelce holding on to that table a little bit? 🤣," she captioned the hilarious Instagram Reel, to which Jason retorted,"Holding onto something with your off hand is completely within the rules of the International federation of Arm Wrestling."

In the comments, fans and followers sounded off on the incredible sports mashup and why it was really Heavirland who deserves to hold the title for the match.

"jason kelce 🤝 women's rugby," responded the official NBC account as Jason's wife, Kylie Kelce , wrote, "I tried to warn you!"

"A collab I didn't know I was waiting for," one person wrote.

"She didn't hold the table, but that's okay. 🤷🏽‍♀️🤸🏿‍♀️🤸🏿‍♀️🧚🏽‍♀️🙌🏾🫶🏾🥰," another added.

"He was cheating. He can't hold the side of the table like that for leverage. She won!," said one more follower.

Competition is in Jason's blood as everyone knows that he and his 34-year-old brother -- who he faced off against in the 2023 Super Bowl -- are best friends and No. 1 rivals. Like most siblings, the New Heights podcast co-hosts are constantly going up against each other.

Most recently, they both competed in a celebrity golf tournament, where Jason spoke with ET about who the better golfer is.

"Yup, he is significantly better," Jason admitted. "He's smoother, he's got better hips."

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