From 2005 to 2007, Hartley was a pitching coach for the independent Reno Silver Sox. From 2008 to 2010, he was the head coach for the Heidenheim Heideköpfe a German first league team. Hartley lead the team to become the 2009 German National Champions.
From 2005 to 2007, Hartley worked as a pitching coach for the independent Reno Silver Sox. From 2008 to 2010, he was the head coach for the Heidenheim Heideköpfe in the German first league. During this period, Hartley led the team to become the 2009 German National Champions.