New York baseball has fallen off precipitously after a torrid first half of the season.

The Mets once had baseball’s best record at 45–24, with odds to win the World Series getting as low as +800. Carlos Mendoza’s group was among the favorites to win it all.

That number has drifted to +1500 at DraftKings at the time of writing, making the Mets the 10th-favorite and putting them behind the Mariners, Blue Jays and Padres.

The same can be said for the Yankees, who were +600 to win the World Series on June 30, fell to 11/1, and have rebounded a bit to +950 — tied for fifth-best — at DraftKings.

The point remains clear: Baseball in the Big Apple is in big trouble as the calendar nears September and critical series are on the horizon for both teams.

The Yankees play a four-game set with the Red Sox this weekend, while the Mets take on the Phillies next week.

“The Mets have certainly fallen off our power ratings,” DraftKings‘ Vegas-based director of sports betting Johnny Avello told The Post in a phone interview. “We just raised them again to 15/1. There’s no betting interest in them right now. Will they even make the playoffs?”

Juan Soto joined the Mets after coming over from the Yankees this offseason. Bonnie Cash/UPI/Shutterstock

Avello added that the vibes are undoubtedly low on the Mets throughout the betting market, showcased by the fact that sharp and recreational bettors appear to be avoiding them at all costs.

“They’re in a freefall,” Avello said. ” And they’re really playing poorly on the road … The sharp bettors are not interested in them anymore.”

The 67-58 Mets are 25-34 on the road this season, and, from a futures perspective, it’s looking grim as ever that the Mets can right the ship and make a run at a championship.

Francisco Lindor and the Mets have critical upcoming series with the Phillies. Getty Images

Things are not quite as bleak for the Yankees, although that’s not necessarily because they are a better team.

“Not as grim for the Yankees. Similar spot, but the teams that are behind them and in front of them make the difference,” Avello said. “Not a whole lot of strength there. The Yankees have a favorable division. Their path is easier than the Mets. It shows in the odds.”

The Yankees, 68-57, have the 26th-most challenging schedule left in the big leagues, which is certainly a boon for their future outlook as they battle for a playoff spot or even the AL East.

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The Blue Jays also have a much tougher road going forward with the seventh-most challenging schedule in the sport.

The Bombers entered Wednesday five games back of Toronto for first place in the American League East.

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