He was four months shy of turning 33 years old and was sitting on top of the boxing world in 1956. Rocky Marciano owned a 49-0 record and had defended the world heavyweight championship six times ...

Rocky Marciano was a heavyweight boxing champion. He retired as the only ... A year later, he returned to amateur status to compete in the Golden Gloves All-East Championship Tournament and ...

It also elevated Mayweather's professional boxing record to a perfect 50-0. So no, Rocky Marciano did not beat Floyd Mayweather's record - it's the other way around as Marciano hung up the gloves ...