CHICAGO - The Mets will add another name to their already crowded disabled list when righthanded reliever Buddy Carlyle goes on the shelf Thursday with back and hamstring tightness.

Lefthander Jack Leathersich will be recalled from Triple-A Las Vegas and is expected to be available for Thursday's series finale. "We've got to fight through this," Terry Collins said of a spate of injuries that has sent 12 players to the DL since the start of spring training. Carlyle, 37, has a 5.63 ERA with one save in 11 relief appearances.

Leathersich, 24, has recorded excellent strikeout rates throughout his career though he has been plagued by command issues.

He will be joining the Mets for the second time this season. He did not allow a run in one inning over two appearances in his first stint.

Lagares remains out

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In hopes of avoiding a larger problem, the Mets held out Gold Glove centerfielder Juan Lagares for a second straight game. Lagares has been dealing with a strain in his right side stemming from a diving catch he made on May 5. But he is not considered a candidate for the disabled list. Kirk Nieuwenhuis started in Lagares' place. Nieuwenhuis entered play hitting .100 (3-for-30).

Extra bases

David Wright (back) did not participate in any baseball activities Wednesday . . . Collins did not rule out the possibility of the Mets using a spot starter sometime during their current stretch of 20 straight games without a day off. The Mets already have used a spot starter once to give extra rest to their starting pitchers . . . Dillon Gee (strained groin) is slated to begin throwing off flat ground on Saturday.