Question: Sydney Mervin "Merv" Batt was a frequent opponent for many foreign wrestlers travelling overseas including NWA World Heavyweight Champions such as one who was called, "probably the greatest champion of the 20th century." by who?
Sentence (from "WWC Universal Heavyweight Championship"): The WWC Universal Heavyweight Championship is a professional wrestling world heavyweight championship and the top title contested for in the Puerto Rican professional wrestling promotion, the World Wrestling Council.
Relevant evidence: No