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.
Tyson's pro record stands 50 wins(44 by ko),-6 losses(5 by ko), -0 draws and 2 no contests.
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.
i believe rocky marchino or mike Tyson
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
It is Mike Tyson when he was fighting with Trevor Berbick He became the youngest heavyweight champion in history.
Mike Tyson. not the greatest heavyweight, but his name recognition goes worldwide.