 From 2004 to 2009 , Nathan was considered one of the top <unk> in MLB with four All @-@ Star appearances and a league @-@ leading <unk> saves . In 2010 , Nathan underwent Tommy John surgery to repair a torn ulnar collateral ligament in his throwing elbow and missed the entire season . On April 3 , 2011 , Nathan recorded his first save since his injury against the Toronto Blue Jays and later that year in July , Nathan regained the role as closer . On August 10 , 2011 , he became the Twins all @-@ time leader in saves with his <unk> in a game against the Boston Red Sox . After the 2011 season , Nathan left the Twins via free agency to sign with the Texas Rangers , becoming an All @-@ Star again in 2012 and 2013 . On April 8 , 2013 , he earned his 300th save . After the 2013 season , Nathan left the Rangers via free agency to sign with the Detroit Tigers . Nathan is currently 8th on the all @-@ time saves list . 
