Question: Mike Clancy and Freddie Blassie both won championships in what professional wrestling group?
Sentence (from "Freddie Blassie"): Frederick Kenneth Blassie (February 8, 1918 – June 2, 2003), better known as "Classy" Freddie Blassie, was an American professional wrestling villain and manager born in St. Louis, Missouri.
Relevant evidence: No