Yankees manager Joe Girardi this morning confirmed the speculation that first baseman Mark Teixeira was heading to the disabled list with a hamstring strain. Girardi told reporters that the strain is not that bad, but it was enough to need to go on the DL so they're not playing with 24 men for an extended period of time.

By putting Romine on the DL, the Yankees have called up Austin Romine from Triple-A Scranton. Girardi also said that Francisco Cervelli will be the backup first baseman behind Kelly Johnson. Cervelli is actually listed as the starting catcher today, though.

Teixeira said after the game last night that he'll likely undergo an MRI on his hamstring on Monday.

Original: Yankees first baseman Mark Teixeira was removed from Friday night's game against the Toronto Blue Jays with a strained right hamstring, which he apparently injured while chasing down a foul ball in the 2nd inning.

No other details were given about the injury during the game, but you can only hope that this isn't serious.

As MLB.com reporter Bryan Hoch noted on Twitter, Teixeira suffered the same kind of hamstring injury during the 2010 ALCS, with an estimated recovery time of recovery set at six-to-eight weeks, but that was also diagnosed as a Grade 2 strain. We don't yet know what this is, though.

After manager Joe Girardi decided to pull Teixeira from the game, Kelly Johnson replaced him in the field. Assuming that he doesn't go on the DL, but misses a few days, I'd guess that Johnson will get the reps at first base -- a position he only played twice with the Tampa Bay Rays last season -- and then Yangervis Solarte can get more reps at third base, since he is swinging such a hot bat so far.

In the meantime, we'll know more after the game, so stay tuned right here.....

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