NEW YORK (WFAN) — Boston must be really desperate to hang on to their wild card lead.

According to the Boston Herald, the Red Sox have “spent the better part of a week” trying to trade for Mets starter Chris Capuano.

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The Red Sox, in need of a starting pitcher for Sunday’s game at Yankee Stadium, would have likely swapped cash for the one-game rental.

The problem? Simply, time has run out. Capuano started Thursday afternoon in St. Louis.

“Chris Capuano is here and prepping for today’s start,” tweeted the Newark Star-Ledger’s Andy McCullough. “The team has no one ready to back him up.”

Andy Martino of the New York Daily News tweeted that New York considered the trade a “solid possibility” earlier this week.

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“The sides were negotiating this week and couldn’t agree,” wrote Martino.

Added McCullough: “Sandy Alderson wouldn’t comment on the situation.”

The 33-year-old will be a free agent after this season. He has an 11-12 record with a 4.47 ERA In 29 starts and two relief appearances.

Both the Rays and Angels will try to close in further on Boston tonight. The Angels visit Toronto while the AL East champion Yankees host Tampa Bay.

The Red Sox, idle Thursday, hold a 2 ½-game lead over both clubs.

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If not Capuano, who? Sound off on the Red Sox’s diminishing lead below…