Associated Press
New York Mets' Carlos Delgado (right) celebrates with teammate David Wright (left) after hitting a grand slam home run during the sixth inning of an interleague baseball game as New York Yankees catcher Jorge Posada, left, looks on.

NEW YORK (AP) — Carlos Delgado revived his season with three big swings at Yankee Stadium.

Delgado set a Mets club record with nine RBIs in a 15-6 rout over the New York Yankees on Friday in the opener of a rare two-stadium Subway Series doubleheader.

Delgado had a two-run double in the fifth inning off Edwar Ramirez, then hit his 12th career grand slam in the sixth, a 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 drive into a corridor beyond the right-field wall.

Dave Kingman drove in eight runs for the Mets in an 11-0 victory at the Los Angeles Dodgers on June 4, 1976.

Delgado, who entered with just 11 homers and 35 RBIs this season, hit a drive off the bottom of the left-field foul pole in the second of the Mets' two victories in the Bronx last month, but it was mistakenly ruled a foul ball by umpires.

Luis Castillo scored a career-high five runs and David Wright tied his career high with four hits as the Mets won the opener of the third two-stadium doubleheader between the teams. Carlos Beltran had a two-run homer for the Mets, who are 3-0 in the Subway Series this season.

The Mets and Yankees were rained out May 16, leading to the two-borough commute in the last year of both ballparks. The Mets got ready at Shea Stadium and their bus got a police escort to the Bronx. Both teams were expected to get the same treatment for the trip back to Queens.

Like a high-school team, the Mets planned to return home for the second game in full uniform.

"It's wonderful for fans," said Yankees manager Joe Girardi, whose team got back to New York after midnight following a rainout at Pittsburgh. "Two games in one day, and one at each stadium, you know it's very enjoyable for them."

The sellout crowd of 54,978 was split pretty evenly in the opener, with chants of "Let's Go Mets!" followed by rounds of boos from Yankees fans. There was nothing but cheers when a security guard tackled a fan who ran on the field in the sixth.

Alex Rodriguez went 3-for-4 with a long home run for the Yankees, who swept the previous three doubleheaders between the two teams. Rodriguez's 15th homer of the season landed in Monument Park in the sixth.

Derek Jeter led off the Yankees' three-run third with his 400th double, extending his season-best hitting streak to 14 games. Dan Giese (1-3) allowed six runs and five hits in four-plus innings.

Jerry Manuel improved to 5-4 since he was promoted from Mets bench coach to manager, replacing Willie Randolph, a former Yankees star.

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

Notes: Andy Phillips joined the Mets before the game and flied out to right as a pinch hitter in the ninth. The Mets claimed the former Yankees infielder off waivers from the Cincinnati Reds on Wednesday. ... Knicks first-round draft pick Danilo Gallinari is scheduled to throw out a ceremonial first pitch before Saturday's game at Shea Stadium. ... A squirrel ran through foul territory behind the plate and into the Mets dugout in the fifth inning, drawing some cheers from the fans sitting along the first-base line. ... Mets 1B Fernando Tatis made two nice plays in the field — and two errors trying to throw to pitchers covering first.