David Robertson

David Alan Robertson (born April 9, 1985) is an American professional baseball pitcher for the Philadelphia Phillies of Major League Baseball (MLB). He previously played for the New York Yankees from 2008 through 2014, and for the Chicago White Sox between 2015 and 2017, before returning to the Yankees for 2017 and 2018. Robertson played college baseball for the Alabama Crimson Tide. He was drafted by the Yankees in the 17th round of the 2006 Major League Baseball Draft, and made his MLB debut with the Yankees in 2008. Robertson was a member of the World Series-winning 2009 Yankees team. He was named an MLB All-Star in 2011. After Mariano Rivera retired, Robertson served as the Yankees' closer in 2014. He signed with the White Sox as a free agent after the 2014 season. He was later traded back to the Yankees in July 2017. Robertson signed with the Phillies as a free agent after the 2018 season. Through 2018, in his 11-year career Robertson pitched in 654 games (10th among active players), and averaged 11.97 strikeouts per 9 innings, the most of any pitcher with at least 650 innings pitched. In August 2019 he had Tommy John surgery.