ATLANTA -- The Mets weren't happy, but in this case, even they had to admit the umpires were right.

Things got a little out of control in the fifth inning Saturday. After Martin Prado's one-out single, Jason Heyward smacked a sinking line drive to shallow leftfield that Jordany Valdespin appeared to scoop with a sliding catch.

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The initial ruling was that Valdespin had made the grab, and with Prado well on his way to second base, he was easily doubled up on Daniel Murphy's relay throw to Ike Davis, who applied the tag.

Not so fast. As the Mets slowly headed toward the dugout, the umpires huddled on the leftfield grass, and crew chief Dale Scott -- also the third-base ump -- spread his arms in a safe sign as the pack dissolved. Prado was awarded second base, Heyward returned to first with a single and Collins came flying from the Mets' dugout to get a piece of Scott before he was ejected.

"We definitely had the ball bouncing. That's no catch, and any time that we correct an error like that, we can put the runners wherever we think they should have gone," Scott said afterward. " . . . If that call had been called correctly from the get-go, there's no way [Prado] is out . . . Terry, of course, came out and argued, as he should. That's what he's supposed to do, and he was good about it. He understood. In fact, he said during the argument, 'I know you got the play right, I'm just frustrated.' "

Collins agreed. "It was the right call," he said. Yes it was, and in accordance with Rule 9.02 ( c ), which states that umpires "have the authority to take all the steps that they may deem necessary, in their discretion, to eliminate the results and consequences of the earlier call that they are reversing."

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"He didn't catch it," Davis said. "It is what it is."