Mike Tyson

1989

Fight #36
February 25, 1989
Defeated  Frank Bruno

TKO Round 5  Time 2:55
Hilton Hotel, Las Vegas, Nevada, U.S.
Record 36-0
Retained WBC, WBA, IBF, The Ring and lineal heavyweight titles

Fight #37
July 21, 1989
Defeated  Carl Williams

TKO Round 1  Time 1:33
Convention Center, Atlantic City, New Jersey, U.S.

Record 37-0
Retained WBC, WBA, IBF, The Ring and lineal heavyweight titles