Jose Reyes suffered a strained left intercostal in the opening game of Tuesday’s doubleheader, manager Terry Collins said. The injury is a Grade 1 strain, which is the lowest severity. It is expected to keep Reyes out for a few days.

Reyes hurt himself on the final swing he took in the Mets’ 3-2 loss to the Cardinals, when he finished 1-for-5. Reyes was expected in the nightcap, a 3-1 victory. But he was instead sent to a hospital for an exam and was unavailable.

Reyes is hitting .239 in 16 games since rejoining the Mets. He has provided speed atop the lineup, a missing ingredient before his arrival.

Collins said Wilmer Flores will play third base in Reyes’ absence.

“He’s going to have to hold down third base,” Collins said of Flores, who finished 3-for-4 with a run in the nightcap.

Streak ends

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Asdrubal Cabrera didn’t know why a crowd had gathered around his locker last weekend. Earlier, he had fallen to hitless in his last 32 at-bats with runners in scoring position, though he was unaware of the streak.

Only when he was asked had it dawned upon him, proof that his struggles had been a fluke, rather than the product of pressing at the plate.

“When you don’t get hits with runners in scoring position, people are going to talk about it,” hitting coach Kevin Long said, just hours before Cabrera finally came through.

The streak ended in the nightcap of Tuesday’s doubleheader against the Cardinals. It came on a third-inning double to the gap in left-center, scoring Alejandro De Aza. Not since May 23 against the Nationals had Cabrera collected a hit with a runner in scoring position.

“It gets a big monkey off his back for sure,” Collins said. “Not only that, it’s an important hit. We need a lot more of them from a lot of guys.”