Cricket Bat

So here's a good question along the same lines as the Foreman proposal: If I were to go one-on-one with a great fighter, say Mike Tyson in his prime, Anderson Silva, Brock Lesnar, someone like that, what kind of weapon would I have to use to even the score? I mean, I could just have a gatling gun and saw him in half as soon as "Big" John McCarthy says "Let's get it on!", but that's not exactly evening the score. What would it take? Brass knuckles? A cricket bat? A yard stick? I could always sling the excrement I would be evacuating right then, could be an effective deterrent, he might just tap...