Before a boxer headlines in Las Vegas or is given the chance to become a world champion, they must first undertake a long and brutal journey through boxing's amateur code before becoming a professional.
With there being both an amateur and professional discipline in boxing, the rules are different in a number of areas including equipment, fight length and pay.
Find out what these differences are below.
The counts rule
Amateurs
Fighters are given an 8 count to recover from a hard shot.
Professionals
Fighters are allowed to the chance to recover from a dangerous shot with a 10 count.
Scoring system
Amateurs
These fights are scored on a 10-9 point system with 10 points being awarded to the winning fighter and nine to the losing fighter.
Fighters' scores take into account a number of different factors including competitiveness, tactical superiority and punches landed with the goal being to accumulate the the most points come the end of the contest.
Professionals
Professional fighters are scored on the same system to to the amateur code, but with the ultimate end goal of wanting to knock out their opponent before the contest ends.
Number of rounds
Amateurs
Amateur bouts are short in duration and are made up of three, three-minute rounds for men, while women fight over four two-minute rounds.
Professionals
Male professional fights can be up to 12, three-minute rounds, while the women can compete in fights up to 10, two-minute rounds.
The ring size
The size of the ring is fairly similar in both amateur and professional boxing which can be between 16-24 feet.
Equipment
Amateurs
Amateur boxers will wear headgear, use larger gloves and mouthguards when competing.
Professionals
Professional fighters will not use headgear, but will use mouthguards and smaller gloves.
How to amateur and professional boxers get paid?
Amateurs
Amateur boxers do not receive any payment for the fights they compete in.
Professionals
Professional fighters receive money for their bouts, whether it be from sponsors and/or a purse deal.