 Since 2006, Koscheck has been training at the American Kickboxing Academy(AKA) in San Jose, California, to which he accredits his vastly improved kickboxing technique.Koscheck's fight on December 13, 2006 was against Brazilian Jiu-Jitsu black belt Jeff Joslin at "UFC Fight Night 7" where he won by unanimous decision.Koscheck was then scheduled to fight Diego Sanchez on April 7, 2007 at "UFC 69".