The announcement comes days after Groves and trainer Adam Booth parted ways following a five-year working relationship.
“I am extremely happy to name Paddy Fitzpatrick as my new trainer going into what is the biggest fight of my life,” said Groves, the former British and Commonwealth super-middleweight champion.
“Paddy and I have worked closely together in the past and already have a very good relationship, one built over many years. Not only has he worked my corner for important fights, we have also spent a lot of time together when abroad on training camps, where Paddy has overseen a number of significant sessions.
“Although this is a fresh change for me, I'm working with someone I know and respect, and someone who knows my game inside out. We both know how the other works, so it won't take long to hit the ground running.”
Fitzpatrick has formerly trained Laila Ali, Lucia Rijker and Kid Diamond, and worked alongside coaches Freddie Roach and James ‘Buddy’ McGirt.
While in recent years he has cornered both Groves and David Haye.
“His experience and knowledge of the game is world-class and he is, without doubt, the perfect trainer to help me prepare for my next fight,” added 'The Saint'. “He has a great energy, both in the gym and on fight night, and I feel totally comfortable in his presence.
“I'm looking forward to working with Paddy on a full-time basis and I'm excited to start adding many more tools to my arsenal. By the time November 23 arrives, I'll be better than ever. And more than capable of dethroning Carl Froch.”
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