Place your bets!

Billionaire Mets owner Steve Cohen’s bid to open an $8 billion casino complex next to his team’s Citi Field ballpark could be a winning one.

His odds of snagging one of the coveted state gaming licenses went up — along with those of the Aqueduct Racetrack and Yonkers Raceway slot parlors — after two of the other casino proposals on the table went bust. 4

“Steve Cohen’s proposal is the strongest contender — by a pretty large margin,” said John Sabini, former chairman of the New York State Racing and Wagering Board, the precursor to the current gaming commission.

On Wednesday, two Manhattan state siting boards rejected two of the proposals after fierce neighborhood opposition: One from the partnership Caesars/Jay-Z-Roc Nation and SL Green for a casino in Times S

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