The New York Yankees will be without CC Sabathia until July and maybe even longer.

Brian Cashman said Sabathia has some breakdown of cartilage in his right knee, which caused the pain, swelling and fluid buildup that sent him to the disabled list on May 11.

Sabathia visited noted orthopedic surgeon James Andrews last week and was given a stem-cell injection in his knee, which has the pitcher on crutches.

"It's an unpredictable time frame," Cashman said. "I'd say you're talking at least six weeks until you see him on a major league mound again."