 He attended Los Angeles Harbor College and was a Junior College All-American in 1997.Miller was drafted by the Colorado Rockies in the 5th round of the 1997 MLB Draft and made his professional debut with the short-season Class A Portland Rockies, helping them win the Northwest League championship.He then moved up to the Asheville Tourists (Class A) in 1998 and the Salem Avalanche (Class A Advanced) in 1999.