He started working out at the age of 11 and had his first amateur bout at 15.

She judged amateur bouts for five years until becoming a professional judge in 1989.

He never lost an amateur bout and never turned professional.

Marks started training at age 16 and fought his first amateur bout the same year.

He competed in one other amateur bout before turning pro.

López turned pro without having ever lost an amateur bout.

He has had over 175 amateur bouts and lost only 12 of them.

Further, he never lost an amateur bout (including international competitions) on Canadian soil.

After losing an amateur bout, he left his gym for about half a year, homeless.

He began boxing at the age of 14, and had 23 amateur bouts before turning pro on August 10, 1973.