Randy Couture, age 46.
Mark Coleman, age 44.
I want to make a "You're my boy, Blue!" joke here, but let's face it, I'm jealous. The fact that these fighters, both UFC Hall of Famers, still have the ability to walk into the Octagon and slug it out is impressive.
We can debate it more as the days dwindle from now until Feb. 6, but in the meantime, have a look at the UFC 109 preview video and see what you think.