Carl Pavano's spleen was removed last week after the pitcher was injured when he fell in the snow.
The 37-year-old right-hander was hurt in mid-January at his home in Vermont and has been in a Connecticut hospital for nearly two weeks.
"He lost a lot of blood. It was very, very serious," agent David Pepe said Monday.
Pepe said Pavano didn't think he was seriously injured after the fall, then didn't feel well following a workout a few days later in Connecticut.
"He felt bad enough that he went to the hospital and he ended up getting admitted, and they realized he had a lacerated spleen," Pepe said. "They tried to control the bleeding. They did all they could to not take it out and, unfortunately, he didn't stop bleeding and he's been in the hospital since."
Pepe hopes Pavano will be released from the hospital this week. He would not put a timetable on the free agent's possible return to baseball.
"To be quite honest, I think he's very fortunate that he caught this thing. He had the p...