Who among the following heavyweight boxing champions remained undefeated in his professional career?
Who among the following heavyweight boxing champions remained undefeated in his professional career?
جو درج ذیل ہیوی ویٹ باکسنگ چیمپئنز میں سے اپنے پیشہ ورانہ کیریئر میں ناقابل شکست رہے۔
Explanation
Rocky Marciano is the only heavyweight boxing champion who retired undefeated in his professional career.
He fought a total of 49 matches, winning all 49 by knockout or decision.
He held the heavyweight title from 1952 to 1956
Defending it six times before retiring at the age of 32.