He actually did a lot for black Golfers of his time a hero in the face of two sports and a champion human being.
I believe he actually had Gymnastic lessons at some level, he referenced being an etiquette hand balancer several times in interviews and prides himself on it.
Newport's British Featherweight Champion, Steve "Sammy" Sims was also a Welsh Weight Lifting and Karate Champion.
Edward Eagan won a boxing gold medal (at light heavyweight) at the 1920 Antwerp Summer Games. 12 years later he was part of the 4-man bobsleigh team that took gold at the 1932 Games in Lake Placid. He remains the only athlete, to have won Olympic gold at both the Summer and Winter Games.
Lennox Lewis plays online chess. He told his online nickname to Joe Rogan. So, it`s possible to play against him.
He got a junior college basketball scholarship but gave it up when his daughter was born in spina bifida.
Joe Walcott (the original) was a wrestler too, a lot of the early reports describe him as having been an amateur boxer and wrestler.