After more than a year away from the sport, having twice battled a severe case of diverticultis, the 34-year-old is ready to return to the octagon.
Thursday's pre-fight weigh-in went off without a hitch as Lesnar came in at 266 pounds, which is within the grace weight afforded to heavyweight competitors.
I know what you're thinking, "I could take him."
Well wait until you get a glimpse of his opponent: 263-pound Dutch kickboxer Alistair Overeem. A real daffodil.
For complete weigh-in results, hype footage and staredowns- CLICK HERE.