Is sin cara and ray masterio related?

Sin Cara and Rey Mysterio are not related by blood, but they share a close professional relationship as fellow luchadores in the Wrestling world. Both are known for their high-flying, acrobatic styles and have worked in various promotions, including WWE. Sin Cara has often expressed admiration for Rey Mysterio, who is considered a legend in lucha libre. Their connection represents a broader camaraderie among luchadores rather than a familial bond.