NEW YORK ( TheStreet) -- CBS ( CBS) College Sports Network is refusing to air an anti-lockout commercial, produced by the National Football League Players Association, during the Texas-America college all-star football game on Saturday.

The minute-long commercial, which has been posted online, features scenes of empty stadiums, locker rooms and gyms. Throughout the advertisement, players repeat the phrase "Let us play" while fans add, "Let them play." The ad closes by asking viewers to sign an online petition.

The spot alludes to the pending lockout threat if NFL owners and players cannot reach a new labor agreement by March 3.

The network rejected the union's commercial last week, players union assistant executive director of external affairs George Atallah said.

"It's unfortunate they seem to be scared off," Atallah said of CBS. "I hope this puts the spotlight on the college all-star game and the players who might be locked out."

CBS does not want to take sides in the ongoing dispute, network spokesperson Dana McClintock said.

-- Written by Theresa McCabe in Boston.

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