young, undefeated lion against a skillful old pro, will lion continue as contender?
two young, undefeated lions, only one will go on as a contender unless it is a draw, but a draw blemishes both
one-defeat, former contender against an up-and-coming undefeated contender
left-hander versus right-hander, usually left-hander has a huge advantage because the left-hander has seen many right-hander fighters but the right-hander has seen few left-hander fights so that experience makes a big difference
right-hander versus right-hander, most common
left-hander versus left-hander, rare and makes it awkward for both fighters because they are used to fighting right-handers
tall and skinny fighter with a reach advantage who wants to stay at a distance versus the small and muscular, bullish fighter who wants to close the gap
boxer versus puncher
boxer versus boxer, interesting fight for the boxing aficionado who enjoys watching for technical skills, often goes the distance
puncher versus puncher, an exciting fight with a knockout likely
two undefeated fighters in their prime for the belt — the big money fight