Mark Teixeira will undergo crucial MRI on calf Monday

Mark Teixeira scores a fourth-inning run against the Mark Teixeira scores a fourth-inning run against the Toronto Blue Jays at Yankee Stadium. (Aug. 27, 2012) Photo Credit: Jim McIsaac

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BALTIMORE -- The Orioles lost Nick Markakis for the season Saturday night, and the Yankees hope that won't be the case with Mark Teixeira.

But after Teixeira returned from a 10-game layoff and aggravated his left calf strain Saturday, Joe Girardi said he can't rule out that possibility. "There's a part of me that wonders that," he said Sunday. "There's basically 31/2 weeks, and if it [the injury] does go back to square one, then I really wonder."

Girardi said Teixeira will undergo an MRI Monday and added "I'd be surprised" if he can play in the three-game series in Boston that starts Tuesday night.

Teixeira aggravated the injury while trying to beat out a double-play ball that ended the Yankees' 5-4 loss. Replays conclusively showed that Teixeira was safe, and the first baseman is likely to be fined for some of his postgame comments about the umpires.

But a good portion of his remarks dealt with his calf, which he described then as "tight."

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The loss of Teixeira would be about as costly as the loss of Markakis, who suffered a broken left thumb when he was hit by a pitch from CC Sabathia. But after Sunday's game, Teixeira said he doesn't think the MRI will show anything that would cost him his season.

"That would be worst-case scenario," he said. "Let's just hope the MRI says that there's no new injuries or anything. I'll just have to make sure it's a little more healed next time I come back."

Teixeira said that although he probably forced himself back into the lineup a little sooner than he should have, the calf doesn't feel the way it did when he first injured it Aug. 27, a good sign.

"It's not as bad as when it first happened," he said. "I was limping for a couple days when it first happened. It's somewhere in the middle, but we'll see where we are [after the MRI]."

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