Mets Add to Pitching Corps The Mets signed the right-hander D.J. Mitchell to a minor league contract, the team announced Monday. Mitchell, 25, was designated for assignment by the Seattle Mariners on April 11. He made one start for the Mariners" Class AAA team this season. Mitchell has a history in New York. He pitched four games in relief for the Yankees last season after arriving to the club as a part of the trade for Ichiro Suzuki. He had a 3.86 earned run average for four and two-thirds innings for the Yankees. Mitchell will report to the Mets" extended spring training camp in Port St. Lucie, Fla.