Jason Kelce and His Daughters Cheer on Their 'Uncle' Zach in Winnipeg Blue Bombers Gear Ahead of the Grey Cup

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Jason and daughters Wyatt, Elliotte and Bennett hung up their Philadelphia Eagles jerseys to support close family friend "Uncle" Zach Collaros

Jason Kelce and his daughters recently hung up their Philadelphia Eagles jerseys — but for a good reason!

The Eagles alum, 37, and daughters Wyatt, Elliotte and Bennett showed their support for Jason's good friend and old college roommate, "Uncle" Zach Collaros, who is quarterback for the Winnipeg Blue Bombers in the Canadian Football League.

The Bombers are competing against the Toronto Argonauts in the Grey Cup — the league's biggest event of the year — on Sunday, Nov. 17.

In an Instagram post the day of the game, Jason shared photos of himself with his daughters decked out in Winnipeg Blue Bombers gear.

"Rooting for Uncle Zach tonight, Let's Go Bombers! #winnipegbluebombers #greycup," he captioned the post.

The pictures featured Wyatt, 5, in a blue sweatshirt and matching winter hat, while Elliotte, 3, wore a pink zip-up hoodie. Youngest daughter Bennett, 20 months, wore a blue hoodie and oversized cap. Meanwhile, Jason sported a blue jersey complete with a blue chain and a giant helmet charm.

Related: Kylie Kelce's Daughters Are the 'Perfect Representation of Birth Order Traits' as They Decorate Cookies in Hilarious Video

Jason isn't the only Kelce known to show support for the Canadian football team. His brother Travis Kelce wore a Blue Bombers jersey during an October episode of their podcast New Heights, prompting the team to share a clip of the episode on their official X (formerly Twitter) page with the caption, "Absolutely loving the outfit choice, @tkelce."

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The Kelce brothers met Collaros, 36, when they were roommates in college at the University of Cincinnati and have remained close friends since, according to The Winnipeg Sun.

Related: Kylie Kelce Shares the Lessons She Hopes Her Daughters Learn from Dad Jason Kelce's Time in the NFL

Jason, who shares his daughters with wife Kylie Kelce, previously spoke with PEOPLE about the joys of being a girl dad.

"I love all my girls," he gushed. "Before I had children, I told myself if I ever have a daughter, I'm just going to treat them exactly the same as a son. I don't think that you should treat kids necessarily different."

"And then when I had a daughter, I was like, 'I'm not going to spoil her, I'm going to raise her tough. She's going to be hard,' " he continued. "And the moment she came out, I was like, 'Yeah, that's not going to work.' "