Hawaii Winter Baseball
In 2008, he took a coaching job in the Pirates minor league system, then was named as manager of the West Oahu CaneFires of Hawaii Winter Baseball.. From 2009-13, Truby managed in the Philadelphia Phillies system, with the Williamsport Crosscutters from 2009–10, the Lakewood BlueClaws in 2011 and the Clearwater Threshers from 2012-13. In 2014, Truby joined the staff of the Phillies parent club as the infield coordinator.