Who was the first U.S. Heavyweight Boxing Champion to retire undefeated?
Correct answer: Rocky Marciano

Joshua2020
Rocky....the REAL one.... was fierce. He would chop down his opponents with devastating right and left hooks. Undefeated....and the greatest heavyweight of all time.

Player: Coco
I wonder if Stallone used his name as the inspiration for the 1975 award-winning movie.

Jonnie#08
Back in the day they were fight 15 round fights

Player #1676135
BrassBeam81667, It's like a modern-day gladiators watching people pummel each other. Only they die more slowly from head injuries later in life.

Player #9442102
Diver Dan, I would not want to be a boxer but I love watching boxing. I am not sure why.

Joe
Player: Coco, coco yes he did.

RICK-N-BACHER
what's up with the famous people dying in plane crashes in Iowa?

Donna
Player: Coco, Stallone also wrote the script do more than likely.

Player #18117720
Jimmy Barry & Jack McAuliffe both retired undefeated before Marciano did. And several have since. The answer says he's the only one. Not true.

R+T#1/2 o+b#45/46
Player #7106191, that was the other Rocky, as in G.

DUA
I don't know much about boxing.

Osiris
Player #25874027, it does, you just have to read the whole text.

Player #25874027
I think this answer should include the records of the other three boxers named

Elsbeth Mills
He was on TV -The Martha Raye show playing Martha’s boyfriend