The team said its 30-year-old ace is expected to be OK for spring training next year. He was examined Tuesday by Mets medical director David Altchek in New York.
"It's not the worst," Santana said. "Believe me, I'm going to be ready."
Santana said he had the same operation after the 2003 season, and came back with a career-high 20 wins and the first of his two Cy Young Awards for Minnesota.
The Mets also announced that reliever J.J Putz is out for the season. The team said an MRI exam on Putz's right forearm revealed "some new fraying and a slight tear."
After a few days of talks about Wagner's future, the Mets traded the left-hander for two players to be named.
Reinsdorf's group won't be a buyer
A group headed by Jerry Reinsdorf has pulled out as a potential buyer of the Phoenix Coyotes just as the NHL and a partnership of Canadian and American investors filed separate bids in U.S. Bankruptcy Court to purchase the team and keep it in Arizona. The NHL announced its bid a few hours before word came that the investors' group had met Tuesday's deadline.
Solo among those invited to camp
Veterans Abby Wambach, Heather O'Reilly and Hope Solo were among 26 players invited to the U.S. women's two-week training camp next month to prepare for a trip to Germany to face the World Cup champions.
The U.S. women currently sit atop the FIFA world rankings and have a record of 6-0-1 in 2009, having scored 11 goals while giving up just one.
Injured workers sue company
Two Dallas Cowboys employees seriously injured in the collapse of the team's indoor practice facility filed lawsuits against the company that designed the structure and others linked to its construction and repair.
Former NBA referee Tim Donaghy was back behind bars, accused of violating his federal probation by not showing up for work, the U.S. Marshals Service said.
Donaghy, 42, was being held without bond a day after his arrest at a halfway house in Tampa, Fla., where he was finishing his 15-month sentence for gambling charges.
Wozniacki advances easily
Defending champion Caroline Wozniacki took 43 minutes to defeat Edina Gallovits, 6-0, 6-0, at the Pilot Pen in New Haven, Conn. Samantha Stosur needed almost three hours to beat Alize Cornet, 6-7 (8), 6-2, 6-4. In the men's draw, top-seeded Nikolay Davydenko won a 22-point tiebreaker in the first set and went on to beat Robert Kendrick, 7-6 (10), 6-3.
Defending champion Serena Williams was seeded No. 2 for the U.S. Open, behind Dinara Safina, because the tournament stuck to its policy of strictly following the rankings. Roger Federer was seeded No. 1 for the fifth time at the year's last Grand Slam tournament.
Former Dolphin Turner, 46
Former Miami Dolphins defensive lineman T.J. Turner has died of complications from a stroke. He was 46. He played seven seasons for the Dolphins from 1986 to 1992, compiling 16 sacks. He played defensive end and nose tackle.