The Colorado Rockies have placed 29-year old righty reliever Justin Miller on the 15-day disabled list due to oblique tightness. Miller has pitched in 31 games (0 starts) for the Rockies so far this year and he is 1-1 with a 5.35 ERA and a 1.64 WHIP. The Rockies have activated 30-year old righty reliever Adam Ottavino off the D.L. to replace Miller on the active roster. He pitched in 10 games in A+AAA-ball on a rehab assignment for the Rockies this year and he was 0-1 with 1 save, a 5.40 ERA and a 1.56 WHIP. Ottavino has pitched in 189 games (0 starts) in his first four years with the Rockies and he is 8-8 with 4 saves, a 3.44 ERA and a 1.30 WHIP.