College athletes in Montana are being offered cash to make endorsement videos for Sen. Jon Tester as he campaigns for one of the Democrats' most vulnerable seats of the 2024 cycle, according to emails shared with Fox News Digital.

A group called "Montana Together" recently sourced athletes at the University of Montana (UMT), offering payments in exchange for the promotion of Tester, according to the school's athletic director, Kent Haslam.

In July, the initial contact was made on behalf of "Montana Together" through a representative at Opendorce.com, a platform used as a marketplace for athletes to score Name, Image, and Likeness (NIL) deals. NIL is a policy approved by the National Collegiate Athletic Association (NCAA) in 2021 that allows college athletes to monetize their content.

The group was offering student athletes a range of offers from $400 to $2,400 in exchange for a video "spreading the word" about the Democratic senator, a copy of the emails shared with Fox News Digital reveals.

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Jon Tester

Democratic Sen. Jon Tester of Montana is running for re-election in 2024. (Samuel Corum/Getty Images)

"We have an NIL opportunity for Montana student-athletes, and I could use your help getting the information below to any individuals who you recommend applying for this campaign. Montana Together is using Opendorse to source athletes for an NIL deal," the email obtained by Fox News Digital reads. "Who are they looking for?: Athletes who attend college in Montana and are interested in spreading the word about Senator Jon Tester and causes you care about."

The deals were offered as follows: $400 for two scripted videos, $800 for two unscripted videos, and $2,400 for four unscripted videos.

Tester's campaign told Fox News Digital that they had no knowledge of these actions and are not in communication with the group.

Lily Meskers, a UMT track athlete and journalism major who first made public the offer to athletes, told Fox News Digital that she "immediately felt frustration" upon receiving the email.

Jon Tester at hearing

Sen. Jon Tester arrives for the Senate Appropriations Subcommittee on Defense hearing on June 18, 2024. (Tom Williams/Getty Images)

"When I first received the NIL deal offer, I immediately felt frustration. I had to ask myself, ‘Why would someone seek my endorsement when their values directly negatively impact me?’ Tester's vote against the Protection of Women and Girls in Sports Act is against everything I’ve worked toward as a female athlete," Meskers said. "This vote is a gateway to biological men taking away scholarships, medals and roster spots from female athletes. Many female athletes on my team shared this frustration."

The National Republican Senatorial Committee (NRSC), chaired by Montana's Republican Sen. Steve Daines, highlighted Tester being one of 51 Democrats who voted against a GOP-led amendment to prevent biological men from competing in women's sports.

Republican candidate Tim Sheehy

Republican candidate Tim Sheehy is running against Tester for the Montana Senate seat. (Andrew Caballero-Reynolds)

"Jon Tester sided with woke DC Democrats when he voted to let men compete in women’s sports, now his dark money allies are trying to pay students off to cover up his far-left voting record," NRSC spokeswoman Maggie Abboud said in a statement. "Jon Tester is spiraling and resorting to every underhanded tactic in the book."

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Fox News Digital could not reach "Montana Together" for comment at the time of this publication.