To be successful working in the Sports Business world, one will need to have a degree in Sports Administration/Business instead of having a Law Degree or a CPA. The world of sports business is very competitive and to have the best chance to succeed, one will need to have a degree in that field.
The whole premise of you're argument is not supported. The answer to your question is extremely circumstantial. There could very easily be a successful athelete who graduated from Harvard law school and didnot have a degree in sports education yet is very well versed in running buisnesses. As a counterarguement you could say that there are very many succesfull atheletes with an administration degree. the problem with this entire debate is there is no definite answer but my opinion to the best of my ability is that having a degree in law would help you much more from a legal, financial, and public standpoint