Joe Lous fought a blown up Billy Conn who gave him troubles, and Ezzard Charles was great at lower weights, but he never had the power to compete with a true heavyweight, and didn't even have all that much power at LHW, and his fight against ARchie Moore was special both of whom are ATG's, but not at heavyweight. The rest of the guys were fodder even Walcott who would be the best after the Aforementioned

Castillo-Mayweather wasn't close at all, and Castillo was given credit for about half of his punches iwth ones that never connected, and I watched at slow mo to make sure for 4-5 rounds and he would land 3 shots, and they would give him 8.

About Kid Gavilan. I think he's overrated I've seen a few of his fights, and I've been terribly impressed with him. He's good, but not an ATG. When I first saw Azumah Nelson a few days ago again I knew instantly he was good, but the same thing hasn't happened with Gavilan.

Prime Mike Tyson didn't have real competition thats why Michael Spinks and Larry Holmes both got KO'ed sure they were big names, but they weren't really competition, and nothing compared what Mayweather has faced, at least Holmes that point in his career wasn't.

Who ranks Lewis high anyway? The rest of the non-american world. He gives Ali, Holmes, and prime Tyson fits at least, and beats Marciano, Frazier, Holyfield, and Louis on their best day. When Lewis was about 27-28 he was very fast, powerful, and skilled not to mention 6'5 and 230pounds.