Reds shortstop Jeff Keppinger had a hit in seven straight at-bats before striking out in the eighth. He went 5-for-5 in Saturday’s nightcap before adding a single and triple Sunday.

Randolph doesn’t want Perez (3-3) to improvise with different arm angles, believing it messes with his rhythm. After allowing just one hit through five innings, Perez ran into trouble in the sixth. A walk, double, triple, wild pitch and three deep flyball outs resulted in the Reds pulling within 6-3 — and meant Perez still hasn’t pitched into the seventh this season.

Perez dropped down on that wild pitch.

“I was trying to change speeds,” he said. “I was tired.”

Sounding exasperated and amused at the same time, Randolph said, “That’s Ollie.”

That’s Ollie also applied to Perez catching the Reds napping after he walked in the second inning — he stole second without a throw for his third career steal (all against Cincinnati). He added a bunt single in the fourth when he noticed third baseman Edwin Encarnacion playing back.

The Mets got two insurance runs in the bottom of the sixth. Reyes’ hard grounder down the third-base line went under Encarnacion’s glove for a two-out double to start the rally. Damion Easley, who had replaced Castillo at second, drove him in. The Mets added another run on a David Wright single with the help of a wild pitch that moved Easley to second.

Griffey remained stalled at 597 home runs in his bid to become the sixth player with 600. He went 0-for-2 with two walks and hasn’t homered since April 23.

Notes: The Mets announced that Jets Night at Shea has been rescheduled for July 8 before their game against the San Francisco Giants. Former Jets players including Pro Bowlers Joe Klecko and Wesley Walker will be honored during a pregame ceremony. The original event was rained out April 28. The Jets played at Shea from 1964-83. ... Reds left-handed hitters Joey Votto, Paul Bako and Adam Dunn each struck out twice against Perez. ... Mets reserve outfielder Angel Pagan, who bruised the labrum in his left shoulder Wednesday, returned as a pinch hitter. ... The Mets have yet to pick a starter for Wednesday’s game against Washington. They will probably call up a minor leaguer, Randolph said. ... This was the Reds’ last scheduled appearance at Shea before the Mets move to a new park next year. Their record there is 126-131.

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