When I think of the Mount Rushmore of a sport, I don’t necessarily look at who was the best but who created the biggest impact. Although being the best can go hand in hand with impact. Looking at it that way, this would be my list.

Dempsey, Louis, Ali, Tyson

Although it seems blasphemous to keep SRR off the list, I think that Mount Rushmore has to be filled with more known fighters that last through generations. And despite you liking it or not, the heavyweight division is where the biggest ratings come from.