Infielder Ryan Ritter was named the Colorado Rockies' Organizational Player of the Month for May, the club announced Monday. Over the course of the month, Ritter hit .381 with 12 home runs, 10 doubles, three triples, 31 RBIs, a .445 on-base percentage, .918 slugging percentage and a 1.363 OPS with Triple-A Albuquerque.