A fourth bidding group interested in buying a minority stake in the cash-strapped New York Mets has emerged, The Post has learned.

Former commodity trader Ray Bartoszek, teamed with private investor Anthony Lanza, whose late father founded L-3 Communications and grew it into a $15 billion New York City defense company, have met with the Mets’ owners in the last few days, according to two sources.

Fred Wilpon and Saul Katz since last fall have been seeking a minority partner to inject $200 million in badly-needed operating cash into the team. Recently just three groups were believed to be in the final mix.

The addition of a fourth group is good news for the team’s owners, who appear to be on pace this year to lose roughly $60 million compared to $50 million last year.

The three existing bidders are: hedge fund honcho Steve Cohen; a bidding group of Steve Starker and Ken Dichter; and a group consisting of Anthony Scaramucci and 1-800-Flowers.com founder James McCann.

Bartoszek was a managing director at Glencore International, which is reportedly is planning a $10 billion initial public offering.