10 Greatest Flyweight Boxers of All-Time

10 Greatest Flyweight Boxers of All-Time Please support my channel. It can buy me another cup of coffee :) We started with the middleweights, then the bantamweights, followed by the light heavyweights. Continuing our rankings of the greatest boxers in each of the original eight weight classes, we offer our fourth instalment, a look at the greatest flyweights of all-time, a weight class absolutely stacked with Hall of Fame talent. Deciding on the best little men ever is significantly more difficult than assessing the heavier divisions. Simply put, the competition is fiercer and there are more great fighters among the smaller men.