Yankees manager Aaron Boone told reporters on Monday that starting pitcher Luis Gil has been diagnosed with a high-grade right lat strain and will not throw for at least six weeks

TAMPA, Fla. — Yankees manager Aaron Boone sounded worried last Friday when he announced right-hander Luis Gil stopped a bullpen due to tightness in his pitching shoulder.

Yankees starting pitcher Luis Gil will be shut down at least six weeks with a high-grade lat strain, manager Aaron Boone announced Monday ( via MLB.com ). The reigning AL Rookie of the Year was shut down after feeling discomfort during his bullpen session last Friday. An MRI revealed the lat strain over the weekend.