Boxing has been referred to as the "sweet science," but its history in video games has been more sweet and sour. From gems like Punch Out! and Fight Night to duds like Buster Douglas Knockout Boxing, there's been a bit of everything over the years. Sega threw its hat in the ring several times during the Genesis era, and one of its better tries was Greatest Heavyweights, which pitted many of boxing's most famous legends against each other. We have a full review for you, so why not go a few rounds with us and learn why you should track this one down.