Tyson was 221 and a quarter pounds when he fought Trevor Berbick for the WBC title in November 1986.
He weighed 219 when he took the WBA belt from "Bonecrusher" Smith in march '87.
And he was 221 when he beat Tony Tucker for the IBF belt in august '87.
He was 218 when he beat Michael Spinks for the linear championship in June '88.
WBC heavy weight
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.
If referring to the Heavyweight Champion of the world Mike Tyson, then, no he is not.
mike tyson
Tyson weighed 214 when he fough hector Mercedes in his first pro fight in 1985.
Muhammond aliMike tyson
Trevor Berbick On November 22, 1986, Tyson was given his first title fight against Trevor Berbick for the World Boxing Council (WBC) heavyweight championship. Tyson won the title by second round TKO, and at the age of 20 years and 4 months became the youngest heavyweight champion in history
Mike Tyson hold the record for the youngest heavyweight champion of the world at 20 years, 4 months and 22 days old
mike Tyson aged 20.
Mike Tyson
Tyson was an Amateur Heavyweight for several years before having his 1st pro bout as a heavyweight against Hector Mercedes on March 6, 1985, with Tyson winning by a 1st round knockout. (1:50).
i believe rocky marchino or mike Tyson