ATLANTA - With Mark Teixeira's return to the lineup still very much a mystery and the Yankees about to face two left-handed starters in Boston, Joe Girardi said Alex Rodriguez could be an option at first base.

"I might toy around with the idea a little bit if Tex is not ready," Girardi said Sunday morning.

The Yankees face lefty Eduardo Perez Monday night at Fenway Park and the lefthander Henry Owens on Wednesday afternoon.

The 40-year-old Rodriguez has started just three games in the field - one at first base and two at third - this season and none since April 27. His lone start at first base, the first of his career, came April 11 against the Red Sox at the Stadium.

Teixeira has been hobbled since Aug. 17 with a deep bone bruise in his right shin area, which has prohibited from running.

"There just hasn't been a lot of improvement," Girardi said.

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The left-handed hitting Greg Bird has been filling in for Teixeira but Girardi is at least open to putting A-Rod at first. He had the veteran take some grounders there before Saturday night's game and said there is some apprehension given that it's been over four months since A-Rod has played in the field in any capacity.

"That's a concern of mine," Girardi said. "That's why I tried to prepare him for it yesterday. I'll think about it. I know Birdie's swung well against lefties as well and you can look at the splits on the lefties, where lefties have had some more success than righties, but it's something I'll think about."