Mike Tyson was the youngest man to ever win a heavyweight boxing title but Floyd Patterson is the youngest ever undisputed world champion, though Patterson never fought in the multi commission ruled era of the WBC, WBA, & IBF.
The Big Show
World Heavyweight championship: World Heavyweight Champion Chris Jericho VS. 2010 Royal Rumble winner THE RATED R SUPERSTAR Edge!!!
Sergio García (Eur), 1999, Brookline
i think edge because edge uses the spear alot if he uses the spear to the wwe 2011 royal rumble winner Alberto Del Rio he will defend the world heavyweight championship or by submitting Del Rio by edge using the sharpshooter
Amir Khan. He won the Olympic Silver medal for Boxing in the 2004 Athens Olympics aged 17.
Light heavyweight boxing gold medalist Muhammad Ali, known in 1960 as Cassius Clay.
In 1911 John McDermott won when he was 19 years 315 days old.
Mark Kerr was born on December 21, 1968 and is a retired mixed martial artist and a wrestler. He is famous for being a UFC heavyweight tournament winner and a World Vale Tudo Championship winner.
WWE Tag Team Championship: Air Boom Vs R-Truth and The Miz - Winner: Air Boom Intercontinental Championship: Cody Rhodes Vs Ted DiBiase - Winner: Cody Rhodes United States Championship: Dolph Ziggler Vs Jack Swagger Vs Alex Riley Vs John Morrison - Winner: Dolph Ziggler World Heavyweight Championship: Randy Orton Vs Mark Henry - Winner: Mark Henry Divas Championship: Kelly Kelly Vs Beth Pheonix - Winner: Kelly Kelly WWE Championship: Alberto Del Rio Vs John Cena - Winner: John Cena No DQ Match: CM Punk Vs Triple H - Winner: Triple H
Youngest brownlow winner