PHILADELPHIA The Mets are cro sing their fingers concerning two of the better arms in their Opening Day bullpen. Drew Smith, who was expected back first Tuesday and then Wednesday, had a little bit of a setback, manager Carlos Mendoza said, while Brooks Raley has been diagnosed with a UCL strain and is delaying a decision on surgery. Smith first: The righty, who has with right shoulder sorene s, played catch before Tuesdays lo s and reported a pinch on the back of his shoulder. Drew Smiths rehab proce s took a step back. JASON SZENES FOR THE NEW YORK POST Smiths previous i sue had been felt on the front of his shoulder. We dont think its anything serious, Mendoza said before the Mets lost, 10-5, to the Phillies at Citizens Bank Park. Explore More Smith did not throw Wednesday and is expected to begin throwing again Thursday. We dont anticipate this being a long setback, said Mendoza, who added the club did not feel the i sue yet required further tests on Smiths shoulder. Raley, meanwhile, visited Dr. Keith Meister in Texas on Tuesday and learned he has a UCL strain but one that is healing, Mendoza said. Paul Molitor Jersey Brooks Raley is still deciding if he wants surgery on his strained UCL. JASON SZENES FOR THE NEW YORK POST UCL strains often require surgery a dicey proposition for a lefty who turns 36 next month and Raley apparently wants to give his . Mendoza said the plan is for Raley to be shut down from throwing for two weeks and then see where were at. I dont know, Mendoza said, asked about the optimism that surgery can be avoided. Its hard for me to sit here and speculate. After , the Mets shook up the starting lineup, too. Pete Alonso hit No. 2 for the first time all season, after Brandon Nimmo and ahead of Francisco Lindor. J.D. Martinez batted cleanup, fifth and Starling Marte normally the No. 2 hitter was bumped to sixth. Just trying to get something going, Mendoza said. I like Petes at-bats as of late. But I like the versatility of Marte. Jeff McNeil, who was down on the dirt for several moments after fouling a pitch off his left knee in the sixth inning, is OK, Mendoza said. Got him good, though, but hes fine, Mendoza added. Adrian Houser made his second appearance out of the bullpen and allowed three runs (just one earned) in the final two innings. Bailey Ober Jersey