Michael Lance Lynn (born May 12, 1987) is an American professional baseball pitcher for the Texas Rangers of Major League Baseball (MLB). He previously played for the St. Louis Cardinals, Minnesota Twins and New York Yankees.
Playing college baseball for the Ole Miss Rebels, Lynn set the school's single-season (146) and career (332) pitching strikeout records. The Cardinals selected him in the first round of the 2008 MLB Draft from the University of Mississippi. In 2009, he was named the Cardinals organizational Pitcher of the Year after playing in three levels and totaling a 2.85 earned run average and 124 strikeouts in 148 ⁄3 innings pitched. He made his MLB debut on June 2, 2011, was a member of the Cardinals' World Series championship team that year, and a National League All-Star in 2012.
On May 27, 2014, Lynn pitched his first career complete game and shutout. He earned his 500th career strikeout three weeks later, and 50th career win April 15, 2015. Through 2015, he was the Cardinals' all-time franchise leader in career strikeouts per 9 innings pitched, with 8.7. After undergoing Tommy John surgery, Lynn missed the entire 2016 season.