By Jeff Powell For The Daily Mail
Published: 22:30 GMT, 8 January 2020 | Updated: 23:57 GMT, 8 January 2020
Kell Brook meets a personal Waterloo in his comeback fight in Sheffield next month.
As he prepares in a west London gym, the 33-year-old former world champion admitted: 'If I lose this one I'm done. My career will be over.'
Fortunately Brook, who has lost just twice in 40 bouts, is not confronting an opponent as dangerous as Napoleon or the Duke of