The death of former Orioles and Cubs pitcher Brian Matusz stunned many in and around Major League Baseball last week; his cause of death has now been revealed.

The baseball world tragically lost Brian Matusz on Jan. 6. Matusz, who last appeared for the Chicago Cubs in his eight-year MLB career, was just 37 years old. O

Former Orioles and Cubs pitcher Brian Matusz likely died from a drug overdose, according to a police report.

The Baltimore Orioles announced Tuesday that former pitcher Brian Matusz died at the age of 37. Matusz, who spent nearly his entire MLB career with

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.

Born in Grand Junction, Colorado, Matusz became a standout pitcher at the University of San Diego. His exceptional collegiate performance led the Baltimore Orioles to select him with the fourth overall pick in the 2008 MLB Draft. Just over a year later, Matusz made his MLB debut on August 4, 2009.

A pitcher who was drafted in the first round of the 2008 draft and went on to pitch 280 games for the Baltimore Orioles and Chicago Cubs has reportedly died.

He signed with the Chicago Cubs and appeared in only one game for ... "Just heard the news about Brian Matusz passing away this morning," he wrote. "This is awful…he was one of the first people ...

Former Baltimore Orioles left-handed pitcher Brian Matusz, the No. 4 pick in the ... The only other major league team he played for was the Chicago Cubs, making a three-inning start on July ...

Former MLB pitcher Brian Matusz reportedly died of a drug ... He signed with the Chicago Cubs and appeared in only one game for them as they snapped the Curse of the Billy Goat and won the World ...

The baseball world tragically lost Brian Matusz on Jan. 6. Matusz, who last appeared for the Chicago Cubs in his eight-year MLB career, was just 37 years old. On Monday, the cause of death was ...

Former Baltimore Orioles pitcher Brian Matusz has died, the team announced Tuesday night. He was 37. No cause of death was given. MASN’s Roch Kubatko reported that Matusz died Tuesday morning.