Tonya Carpenter was sitting behind the visitors’ on-deck circle at Fenway Park Friday night watching the Red Sox take on the Oakland Athletics with a man and her son.

Then, A’s third baseman Brett Lawrie shattered his bat on a groundout in the second inning, and the park went silent.

The broken barrel of Lawrie’s maple bat had flown into the third-baseline stands and struck Carpenter in the head. Carpenter immediately began to bleed profusely, as medical personnel rushed to her aid.

Carpenter was carted out of the park, her screams audible to fans, and transported to Beth Israel Deaconess Medical Center with what appeared to be “life-threatening’’ injuries, Boston police spokeswoman Rachel McGuire told Boston.com.


Carpenter remained in serious condition on Sunday but is expected to survive, according to a hospital spokeswoman.

Carpenter’s family sent out a photo from when she attended a concert at Fenway saying, “On behalf of our family we want to thank everyone for the continued prayers and well wishes. This photo was taken when Tonya was the happiest attending a concert at Fenway Park for the Zac Brown Band. We remain by her side.’’

After the game, Lawrie said he was thinking of Carpenter.

‘‘Hopefully everything’s OK, and she’s doing all right,’’ Lawrie said, according to The Boston Globe. ‘‘I’ve seen bats fly out of guys’ hands in(to) the stands and everyone’s OK, but when one breaks like that, has jagged edges on it, anything can happen.’’

The Red Sox released a statement Saturday regarding the incident, which read, in part, “All of us offer our prayers and our thoughts as we wish her a speedy recovery.’’

The Red Sox principal owner John Henry also owns Boston.com.