A second-round pick of the Cardinals in the 2001 MLB Draft, Haren made his big league debut with the club just two seasons later. After spending parts of two seasons in St. Louis, the right-hander was shipped to Oakland in December 2004 as part of a deal that sent Mark Mulder to the Redbirds.
Haren blossomed with the A's and was selected to his first All-Star team with Oakland in 2007 before being traded to Arizona in December of that year. He was an All-Star again in each of his first two seasons with the D-backs, winning 16 games in 2008 and finishing fifth in the National League Cy Young Award voting in '09.
Thank you baseball. I played this beautiful game for 30 years. I took my jersey off for the last time tonight. It was an honor. #ithrew88
Since tying his career high with 16 wins in 2011 with the Angels, Haren has bounced around with four clubs in the past three years, including going a combined 11-9 with a 3.60 ERA in 32 starts with the Marlins and Cubs this season.
Haren finished with a 153-131 record and 3.75 ERA in 391 career big league games, including 380 starts.
Ed Eagle is an editorial producer for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.