In September 2007 Quackenbush won the 2007 Ted Petty Invitational held by Independent Wrestling Association Mid-South by defeating Billy Roc, Joey Ryan and Josh Abercrombie on his way to the finals where he eliminated both Claudio Castagnoli and Chuck Taylor to win the tournament. Quackenbush also captured the IWA Mid-South Heavyweight Championship. Quackenbush made his debut in Japan for Michinoku Pro, defeating Shibaten in the village of Takazawa. He wrestled for the same company, the next night, defeating Rei. In a four way elimination match against Chris Hero, Eddie Kingston and Chuck Taylor, Quackenbush put his IWA Mid-South Heavyweight Championship and IWA Mid-South Light Heavyweight Championship on the line. Quackenbush was pinned by Chuck Taylor, thus capturing the IWA Mid-South Light Heavyweight Championship. Eddie Kingston then pinned Quackenbush, capturing the IWA Mid-South Heavyweight Championship.
