UFC 203 is a Mixed Martial Arts Heavyweight Title main event card between the current champion Stipe "The Silencer" Miocic (15-2-0, 11 KO's) Fighting out of Euclid, Ohio and his opponent Alistair "The Reem" Overeem (41-14-1, 18 KO's) Fighting out of Amsterdam, Netherlands. This card is airing live tonight from the Quicken Loans Arena in Cleveland, Ohio.

The scheduled undercard bouts are as follows:Bantamweight: Urijah Faber vs. Jimmie RiveraHeavyweight: Fabricio Werdum vs. Travis Browne
Welterweight: CM Punk vs. Mickey Gall
Women's Strawweight: Jessica Andrade vs. Joanne Calderwood