Fitzsimmons won the inaugural LHW title against ATG Philadelphia Jack O'Brien at age 41 in 1904, which today is about as old for an athlete at that time as 50 is today... incredible win.
Malinga v Benn Moore v Durelle Fitz again.. vs Gardiner.. a natural 175-pounder by then, he challenged LHW champion George Gardiner.. Fitzsimmons took the title aged 40 .. The man is an absolute legend.
Beterbiev's win over Bivol didn't quite make it. He was still 39. Darn. Had to look it up. But still -- being 39 and beating a substantially younger ATG who happens to be a bit of a speedster is pretty impressive.
Archie Moore title defenses against Tony Anthony, Yvon Durelle 1 & 2 and Guilio Rinaldi. The date for Archie's birthdate is now pretty firmly nailed down as 1916 as reported in the 1920 census.
Luis Ortiz knocking Charles Martin senseless. Pretty sure Foreman beat someone. Vitali beating Adamek, Charr, and Chisora.
RD was arguably blatantly robbed in his first bouts against IBHOF inductees Macho Camacho and Vinny Pazienza, 45 and 43
Bernard Hopkins aged 43 beating Kelly Pavlik, and aged 46 beating Jean Pascal Alexander Povetkin aged 40 beating Dillian Whyte Vitali Klitschko aged 40 beating Dereck Chisora & Tomasz Adamek Manny Pacquiao aged 40 beating Keith Thurman