KANSAS CITY, Mo. - The Mets added infielder Juan Uribe to the World Series roster Tuesday morning. He takes the place of rookie Matt Reynolds, the backup shortstop.

Uribe, 36, has missed the entire postseason with a chest contusion. He was injured Sept. 20 while making a diving play and aggravated the injury Sept. 25 on a checked swing. Uribe has not appeared in a game since.

But he made progress recently and had taken batting practice against live pitching for three straight days before Game 1 of the World Series.

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"I think he's 100 percent physically," said Mets manager Terry Collins, who is concerned with Uribe's long layoff.

In Uribe, the Mets regain a strong righthanded bat off the bench. But perhaps just as importantly, Uribe provides a presence the Mets had been lacking. He has played in two World Series as a member of the world champion White Sox (2005) and Giants (2010).

"I can walk through the locker room, I can't find anybody that's got two World Series rings except for him," Collins said. "He brings that guy who's been on this stage and has not been affected by it."

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Uribe hit .219 with six homers and 20 RBIs for the Mets following his July trade from the Braves. But those modest numbers mask his ability to deliver in clutch situations.

"He's not going to be intimidated by the surroundings, by the situation," Collins said. "So we think it's a pretty big move."

But first, Collins said Uribe had to prove that he was physically ready to return.

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"You've got to walk in my office and look the other two teammates in the face and say 'I'm ready to play,' " Collins said. "Because if you can do that, you're ready. This is big."

Without Reynolds on the roster, Kelly Johnson could play shortstop in case Wilmer Flores is lost to an injury. The Mets could also add Reynolds if Flores is knocked out of the series.