drop bear
Sr. Grandmaster
Depends
on a bunch of factors that you could play with.
So mabye one is better because he is bigger ir spent more time training. Well they are not secrets we can ajust.
You could let them punch kick or grapple.
You could play around with the protections. So headgear no head gear.
But yat the end you would have more of a definitive answer than tying yourself up in false logic.