Willie Pep
Pep boxed for an incredible 26 years, racking up 229 – 11 – 1 record throughout that period of time. Pep even survived a horrible plane crash halfway through his career and he still managed to make a comeback. Pep was extraordinarily fast and remembered for his world-class defense. Legend has it that Pep won a match without throwing a punch.
Sugar Ray Robinson
Sugar Ray Robinson is the reason that the pound for pound class system was put into place. Robinson is probably the best pound for pound fighter to ever compete. Robinson landed the welterweight title in 1946 until 1951 when he decided to jump up to the middleweight division. Robinson went 122 – 1 through his first 123 fights.