Nova sustained the injury during an April 19 start against the Rays at Tropicana Field. He began the year as the No. 3 starter in New York's rotation and was 2-2 with an 8.27 ERA in four starts, including allowing a career-high four homers in his final outing.
The recovery time for Tommy John surgery is approximately 12-18 months.
Bryan Hoch is a reporter for MLB.com. Follow him on Twitter @bryanhoch and read his MLBlog, Bombers Beat. This story was not subject to the approval of Major League Baseball or its clubs.