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6/27/2014 6:33 P.M. ET

Wright out of lineup with left shoulder injury

Third baseman will head back to New York for an MRI

PITTSBURGH -- David Wright was scratched from the Mets' lineup on Friday with a sore left shoulder. Wright said he has dealt with shoulder trouble for about three weeks, but he reaggravated it Thursday night and did not feel like he could play Friday.

Wright is hoping the ailment does not force him to miss an extended period of time, and he will head back to New York to get an MRI on Saturday.

"It was something I could play through, it wasn't an issue [originally]," Wright said. "And then last night, on a couple different occasions [I] did something to reaggravate it and made it worse. I was hoping to be able to push through it, but they obviously shut it down."

Wright noted he originally tweaked his shoulder when he slid to steal a base a few weeks ago. As for Thursday night, Wright said a tag of Ike Davis and a play he made on a Pedro Alvarez grounder took the shoulder pain to "a different level."

"These last three weeks or so, I feel like I've been able to be productive and go through normal baseball things without feeling hesitant," Wright said. "Last night that wasn't the case, I feel like it was prohibiting me from doing certain things on the baseball field."

A seven-time All-Star, Wright is hitting .277/.333/.396 this season with six homers and 41 RBIs. Eric Campbell took over Wright's post at third base in Friday night's contest against the Pirates, while Daniel Murphy was bumped to the three-spot in the lineup.

The loss of Wright is a blow to an already thin Mets infield, which has just four healthy players to use Friday night in the Steel City.

Wright had a spell on the disabled list toward the end of last season, missing about seven weeks with a strained right hamstring. He said he thinks there is a chance he could return to the Mets lineup before too long.

"That's the hope, just rest and continue on some stronger anti-inflammatories, maybe get some sort of shot," Wright said. "But it's all going to depend on what the MRI shows. I'm hopeful and optimistic, judging it's the same thing that's been going on for three weeks now, maybe a little more inflammation that can be settled with a little more treatment."

Stephen Pianovich is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.