Countdown: Paul vs. Tyson

On the road to their highly anticipated clash in the ring, Paul and Tyson reflect on their unique paths into boxing and get real about what's on the line.

A health scare sidelines Tyson, delaying the fight and his training. An undeterred Paul uses the extra time to ramp up his regimen for a critical edge.

With the bout looming, Tyson grinds to hit peak condition in the last stretch of training while Paul finalizes his defensive strategy for fight night.