With a growing collection of approximately 2,500 boxes of records that represent the personal life of Mark H. McCormack and the intertwined corporate records of IMG, the McCormack Papers provide an inside look at the last 50 years of the business of professional sport. The collection contains correspondence, memos, drafts, reports, contracts, research files, marketing materials, and memorabilia. The collection is arriving in stages and is currently being processed. Some materials are restricted.