Ingemar Johansson won the heavyweight title from him in 1959 but lost 2 rematches
[DOC] [TLE] Floyd Patterson  Confusing the Enemy [PAR] Ingemar Johansson knocks out Floyd Patterson and becomes boxing ... 
Johansson triumphed over Patterson on June 26, 1959, with the referee ... 
Patterson knocked out Johansson in the fifth round of their rematch on June 20, ... 
win the Heavyweight title three times, but Liston once again knocked him out in 
the first round.