Froch did say something like that in the corner after round 6 or 7. Bunce and brit radio commentators confirmed it.... and Froch more or less said that after the fight.... the Kessler right straight down the pipe to the body was hurting him bad and that was an effective punch for Kessler.... That's why Froch was breathing heavy late rounds
On the BBC Radio 5 live coverage, Froch told McCracken after round 6 'That man to the body is a c**t.