Gruenwald began his sporting career as a stellar high school wrestler at Greendale High School in Wisconsin, picking up a state championship title and placing second at the 1988 Junior Nationals to rival Dennis Hall.
Gruenwald began his sporting career as a stellar high school wrestler at Greendale High School in Wisconsin. Gruenwald was picking up a state championship title. Gruenwald was placing second at the 1988 Junior Nationals. This was to rival Dennis Hall.