Delgado got a huge ovation before his first plate appearance at Shea, but finished 0-for-2 with two walks.

Slumping all season, Delgado hit a two-run double off Edwar Ramirez in the fifth inning of the opener and his 12th career slam in the sixth, a long drive against Ross Ohlendorf that landed in one of the last rows of bleachers in right-center. Delgado added a three-run homer in the eighth off LaTroy Hawkins, a shot into a corridor beyond the right-field wall.

“I got lucky,” said Delgado, who turned 36 on Wednesday. “Every time I came up it seems like they had a lot of guys on base so I got some good pitches to hit and I was able to drive them.”

Delgado’s nine RBIs were one better than Dave Kingman’s total for the Mets in an 11-0 victory at the Los Angeles Dodgers on June 4, 1976. Delgado’s 44th multihomer game gave him 444 career home runs, breaking a tie with Kingman for 34th place.

Carlos Beltran hit a two-run homer, scored four runs and drove in three as the Mets swept a season series at Yankee Stadium for the first time. David Wright tied a career high with four hits and had three RBIs.

The rainout last month led to the two-borough commute in the last year of both ballparks. The Mets dressed at Shea Stadium on Friday morning and their bus got a police escort to the Bronx. Both teams got the same treatment for the 20-minute trip back to Queens.

The Mets arrived back at home about 1 hour, 20 minutes before the 8:10 p.m. game, with most players still in their gray road uniforms and carrying equipment as they made their way to their clubhouse. The Yankees arrived around 25 minutes later, dressed in street clothes.

Girardi hustled down the corridor to deliver his lineup card to the home clubhouse.

“It was rushed. We got here at 7:15. They were still unpacking bags at 7:40, 7:45. Guys were scrambling to put their unis on, grabbing something to eat,” said Girardi, whose team returned to New York after midnight early Friday following Thursday night’s rainout in Pittsburgh.

“It almost felt like when you’re in high school or a summer league team in a sense, where you’re just scrambling to play the second game.”

Alex Rodriguez went 3-for-4 in the opener with a long home run for the Yankees that landed in Monument Park. Dan Giese (1-3) allowed six runs in four-plus innings.

Mike Pelfrey (5-6) struggled through five innings but managed to get the win. He gave up four runs and eight hits.

Notes: Abreu also stole two bases in the nightcap. ... Former Mets and Yankees slugger Darryl Strawberry threw out the ceremonial first pitch at Shea.

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