Johnny Manziel has yet to see significant action on the football field this season, but that hasn't stopped his girlfriend Colleen Crowley from representing for her man.

Crowley paid homage to the Cleveland Browns backup-quarterback while tailgating with Browns fans by wearing a shirt with Manziel's photo on it and throwing up his "money sign" celebration:

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 Whole team here☝️

  View on Instagram

Crowley also hung out with Maverick Carter, who is best known as a friend and business partner of LeBron James.

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My guy, @mavcarter ☝️  View on Instagram

Carter also has a growing business relationship with Manziel and signed on to manage some of the 21-year-old's business affairs, according to ESPN. Prior to being drafted, Manziel selected Carter's LRMR management firm to represent his marketing interests, according to Bleacher Report.

Meanwhile, it seems Manziel is as far away from a starting job as he's ever been. Cleveland quarterback Brian Hoyer is eighth in the NFL with a 99.5 QB rating and has led the Browns to a 3-2 record. Still, Manziel believes he is Cleveland's quarterback of the future.

"I think just watching me throughout practice, throughout the year, how I'm going through the meetings, how I'm going through the playbook, how I'm continuing to get better, I think Dowell, Kyle (Shanahan) and Coach Pett, as the year goes on, they will be talking within and amongst themselves and kind of keeping an update on where I am throughout the season,'' Manziel said, according to Cleveland.com. "I really think that's probably up to them to decide and see how I'm doing if that's the case."

Crowley, a Houston native and undergrad at TCU, has been dating Manziel since the summer. The two are constant fixtures on each other's Instagram profiles.

Colleen isn't the only Crowley with a famous boyfriend as her sister Robyn is dating Dallas Mavericks forward Chandler Parsons.