Arizona Cardinals stadium offering 7-pound 'Gridiron Burger' challenge for fans

The Arizona Cardinals are posing a belly-busting challenge to their fans this season: The University of Phoenix Stadium in Glendale is offering up a seven-pound "Gridiron Burger" for a whopping $75, and those who finish will be honored with their own spot on the wall.

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The sandwich will somehow contain five 1/3 pound burger patties, five all-beef hot dogs, five bratwursts, 20 slices of American cheese, eight slices of bacon, eight chicken tenders, 12 ounces of fries, lettuce, pickles and "tanker sauce" on a 10-inch bun.

It’s unclear how many calories the burger clocks in at, executive chef Sean Kavanaugh admitted to the Arizona Republic.

“Haven't figured that out yet," Kavanaugh told the newspaper. “Still counting, but got a lot of zeroes after it.”

He said three staff members attempted to down the burger Monday, but none of them finished it.

Fans who can finish the burger in under an hour, however, will receive a Cardinals jersey and get their photo on the scoreboard.

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The Gridiron Burger isn’t the only new thing on the menu this season.

Some of the other new food specialties include the Churro Donut Sundae, the Dirty Fried Bird and the Taco Dilla, according to Fox 10 Phoenix.

The Cardinals start their home preseason schedule on Saturday against the Los Angeles Chargers. The team’s first regular season home game is Sept. 9 against the Washington Redskins.

The Associated Press contributed to this report.

Ryan Gaydos is an editor for Fox News. Follow him on Twitter @RyanGaydos.