No cause of death was immediately revealed, and police have launched a "death investigation" after the pitcher's body was found at his Phoenix home.

Former major league left-hander Brian Matusz has died. He was 37. Matusz spent eight seasons in the majors, mostly with the Baltimore Orioles as they returned to prominence a decade ago.

Former Orioles pitcher Brian Matusz, who also spent time with the Diamondbacks, was found dead on Monday, according to the Phoenix Police Department.