NEW YORK (AP) - Shaun Marcum struck out the first two batters of his Mets debut. The rest of the day didn't go so well.
Domonic Brown and John Mayberry Jr. hit consecutive home runs off reliever Rob Carson to break open a close game, and the Philadelphia Phillies beat New York 9-4 on Saturday to give Jonathan Pettibone his first major league win.
Activated from the disabled list before the game, Marcum was pulled for pinch-hitter Justin Turner in the fourth as the Mets tried to convert a scoring chance. Turner struck out looking, and Carson gave up five runs the following inning.
``Strength-wise I felt fine. I wasn't tired or anything. I felt like I had a lot more left in me,' Marcum said. ``It was just a situation where we had to get Justin up there to try to get those RBIs.'
Ryan Howard drove in two runs, Jimmy Rollins scored twice and Michael Young had three hits for the second straight day. Pettibone (1-0) pitched his way out of a critical jam to help Philadelphia improve to 4-1 against the Mets after losing the season series last year.
The Phillies have won five in a row and nine of 12 at Citi Field, dating to 2011.
Marcum (0-1) went four innings after beginning the season on the DL with a neck injury and right biceps tendinitis. The 31-year-old right-hander signed a $4 million, one-year contract in January after spending the past two years with Milwaukee. He received a shot to relieve neck pain and made two starts in extended spring training to prepare for Saturday.
``I thought he threw the ball fine,' manager Terry Collins said. ``Obviously great change of speeds, throws strikes, doesn't beat himself, makes them swing the bat.'
John Buck hit his eighth homer in the ninth inning, way too late to prevent New York from dropping to 3-5 on a nine-game homestand with its third straight defeat.
Making his second start in place of injured John Lannan, Pettibone threw 96 pitches in five innings. But he limited the Mets to three runs and seven hits after holding Pittsburgh to a pair of solo homers over 5 1-3 innings Monday.
David Wright and Jordany Valdespin had RBI doubles for the Mets, who fielded the same shuffled lineup that was shut out by Kyle Kendrick on three singles Friday night.
Brown hit a three-run shot to right off Carson in the fifth and Mayberry drove the next pitch way out to left, making it 8-2. It was the second set of back-to-back homers for the Phillies this season, both against the Mets.
``It's the one big inning that's hurting us right now,' Buck said.
Pettibone loaded the bases with none out in the fourth on consecutive singles and a four-pitch walk. But after a mound visit from pitching coach Rich Dubee, the 22-year-old righty minimized the damage.
Ike Davis hit a sacrifice fly to the left-field warning track, Valdespin forced a runner at second and Pettibone threw a called third strike past Turner to preserve a 3-2 lead.
That was the end of the afternoon for Marcum, and Philadelphia immediately broke the game open against a dreadful New York bullpen that began the day ranked next-to-last in the majors with a 5.02 ERA.
``Our starters have got to get us deep into the game,' Collins said. ``We're using guys in the fifth and sixth innings that you can pitch in the seventh (or) eighth.'
Other than Matt Harvey, Mets starters are 3-8 with a 4.93 ERA.
Rollins doubled off Carson to open the fifth and Howard was credited with an RBI single when his hard smash skipped right through Ruben Tejada's legs, eating up the shortstop with an in-between hop.
Brown and Mayberry followed with much longer shots off Carson, who kept his spot in the bullpen Saturday when New York demoted fellow left-hander Josh Edgin to make roster room for Marcum.
``It was a slider,' Brown said. ``Just got a pitch up that I could handle and drive.'
Collins said Carson was unable to get his breaking ball or changeup over.
``And when you're facing guys with one pitch that are that good, you're going to get hurt. And he got hurt,' Collins said.
Pettibone helped himself at the plate, too. He sparked Philadelphia's three-run third with a leadoff single for his first major league hit and scored on Chase Utley's ground-rule double. Rollins dashed home on Marcum's wild pitch and Howard added a sacrifice fly.
Howard has 21 RBIs in his past 12 games against the Mets.
NOTES: The Mets have dropped two consecutive series at home after winning their first three. ... New York is hitting .171 (7 for 41) with runners in scoring position over the past six games. ... Phillies LHP Cole Hamels (0-3, 5.40 ERA) makes his sixth start of the season Sunday in the series finale. Hamels is 5-10 with a 4.33 ERA in 21 games against the Mets, but he went 2-0 with a 3.86 ERA in four outings against them last year. LHP Jonathon Niese (2-1, 3.81) pitches for New York. Niese was knocked out of Tuesday's start when he was hit near the right ankle by a third-inning comebacker. ... All-Star C Carlos Ruiz was slated to catch six innings Saturday night for Double-A Reading before returning to the Phillies when his 25-game amphetamine suspension ends Sunday. ... Edgin was optioned to Double-A Binghamton. ... Collins said rookie CF Juan Lagares will likely start Sunday against Hamels.
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