Grube attended DeKalb High School and played college baseball for the University of Memphis. \n', '

He was drafted in the 10th round of the 2004 Major League Baseball Draft by the Colorado Rockies. He began his minor league career as a starter but then was shifted to the bullpen in 2006. He pitched for the Rockies minor league system until his release in 2009. \n', '

He signed with the Southern Maryland Blue Crabs for the remainder of the 2009 season. He continued to pitch for the Blue Crabs in 2010.\n', '

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