In his second game back from the disabled list, Jose Reyes showed why the Mets signed him in the first place.

Reyes brought back memories of his formative days in Flushing in the eighth inning of the Mets’ 5-1 win over the Padres on Sunday. They were ahead 2-0 when he led off with a single, stole second, moved to third on a throwing error by catcher Derek Norris and scored easily on a wild pitch by Jose Dominguez.

Reyes, who started his second straight game at shortstop with Asdrubal Cabrera on the disabled list, went 1-for-4. He is batting .227 since re-signing with the Mets.

“I heard a couple of comments on the bench when Jose scored that run late in the game,” manager Terry Collins said. “I heard somebody say, ‘We needed that.’ That’s what he can do and that’s why he’s such a valuable guy.”

RBIs for Rivera

Rookie T.J. Rivera picked up the first two RBIs of his career with a two-out double in the eighth inning. The third baseman went 2-for-4 and is batting .286 in his first stint in the big leagues. “I’m just trying not to do too much,” the Bronx native said. “You come to a new environment, you want to prove yourself, show you belong.”

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Wheeler update

Collins said Zack Wheeler will be examined by Dr. James Andrews on Monday after feeling discomfort following his first rehab outing since Tommy John surgery. The Mets are bracing for the possibility that Wheeler will not make it back until next season. “This does tell you that Tommy John [surgery] is not the cure-all,” Collins said. “For the high school parent who wants to have his kid have Tommy John because he’s going to come back and throw harder, it’s not true. It is not true . . . There’s no guarantees.”