The Rockies have placed 27-year old switch-hitting infielder Jonathan Herrera on the 15-day disabled list due to a right hamstring strain. Herrera has played in 26 games for the Rockies so far this year and he is 16 for 67 (.239 avg, .655 OPS) with 12 runs scored, 2 homers and 4 RBIs. The Rockies have called up 23-year old righty swinging infielder D.J. LeMahieu to replace Herrera on the active roster. LeMahieu has played in 43 games in AAA-ball so far this year and he is 57 for 181 (.315 avg, .752 OPS) with 19 runs scored, 1 homer, 26 RBIs and 11 stolen bases. His first experience in the show was last season with the Cubs. He played in 37 games for the Cubs last year and he was 15 for 60 (.250 avg, .546 OPS) with 3 runs scored, 0 homers and 4 RBIs.