Interesting data about Muhammad Ali's sale of 80% of his image rights:
The Ali Business historically has consisted of the commercial exploitation of the name, image, likeness and intellectual property ofvMuhammed Ali, primarily through a small number of endorsement and licensing arrangements. Based upon historical unaudited numbersv(which are not calculated in accordance with GAAP and may be subject to adjustment), the Ali Business’ historical annual gross revenue over the past five years has ranged from $4 Million to $7 Million.
In April of 2006, Ali sold an 80% stake in these businesses for a cash payment of $50 million.