T.J. Rivera dealing with elbow discomfort, adding to Mets' infield injury woesRivera joins Todd Frazier and Jed Lowrie on the shelf2/28/2019, 3:08 PMNew York Mets third baseman T.J. Rivera doubles to shallow left advancing a man during the sixth inning against the Oakland Athletics at Citi Field. / Anthony Gruppuso/USA TODAY Sports