Ingemar Johansson won the heavyweight title from him in 1959 but lost 2 rematches
In a rematch four months later, Patterson lost a controversial 
12-round... [DOC] [TLE] Clue Watch: Floyd Patterson and Ingemar Johansson  Fikkle Fame [PAR] Nov 21, 2015 ... 05/26/2008 HEAVYWEIGHTS $400: Ingemar Johansson won the heavyweight 
title from him in 1959 but lost 2 rematches 11/21/2005... [DOC] [TLE] Greatest Knockouts: Patterson vs. Johansson - ESPN.com [PAR] Sep 28, 2006 ... Patterson-Johansson III in 1961 was the best fight in the triology.