He's been a professional Title holder 5 times.
He won his first title, the W.B.C. Heavyweight Title -
beating Trevor Berbick by T.K.O.-Noveber 22, 1986.
Then beating James "Bone Hugger" Smith for the W.B.A. Title -
by Decision (unanimous)on March 7,1987.
Then beating Tony Tucker for the I.B.F. Title -by Decision (unanimous)
on August 1 ,1987 - Becoming Undisputed Heavyweight champion.......
held it until losing one of the biggest
upsets of all time to James "Buster" Douglas by K.O. on February 11,1990.
Then beating Franco Bruno -by T.K.O.
for the W.B.C. Title on March 16,1996 and becoming W.B.C.Champion oncne again.
Regaining the W.B.A. Title by beating
Bruce Seldon by T.K.O. on September 7,1996.
If referring to the Heavyweight Champion of the world Mike Tyson, then, no he is not.
Mike Tyson hold the record for the youngest heavyweight champion of the world at 20 years, 4 months and 22 days old
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.
mike Tyson aged 20.
Mike Tyson
Mike Tyson lost his heavyweight championship belt at the age of 25. This occurred on February 11, 1990, when he was defeated by Buster Douglas in Tokyo, Japan. At that time, Tyson was considered one of the most dominant boxers in history, making the loss a significant upset in the sport.
i believe rocky marchino or mike Tyson
Trevor Berbick
Tyson, but arguments could be made for Riddick Bowe too (he turned pro in 1989, as did lewis).
that will be the trainer of mike Tyson and Floyd Patterson
Mike tyson
It is Mike Tyson when he was fighting with Trevor Berbick He became the youngest heavyweight champion in history.