Garrett, 20, was a 22nd-round pick of the Reds in 2011 and has fastball velocity in the mid 90s. The organization's No. 20 prospect, ranked by MLB.com, Garrett spent last season with the AZL Reds and Billings at the Minor League Rookie level.
Mark Sheldon is a reporter for MLB.com. Read his blog, Mark My Word, and follow him on Twitter @m_sheldon This story was not subject to the approval of Major League Baseball or its clubs.