The u. s. golf association and the u. s. tennis association sponsor tournaments for amateurs. the only other major sport governing bodies that require amateur status for eligibility are the amateur athletic association and

National Collegiate Athletic Association (NCAA)

Explanation:

The National Collegiate Athletic Association (NCAA) is an association composed of 1281 institutions, conferences, organizations and individuals that organize the majority of university sports programs in the United States of America. The NCAA is the largest and most important entity in its field in the United States The NCAA staff provides support, acts as a guide, contact, research and relationship with the media.