Brennan Johnson was sold by Nottingham Forest in the summer and now he’s been sharing what traits made Steve Cooper the brilliant manager that he was at the City Ground. It was a beautiful relationship between Forest and Cooper. The head coach came to the club when the Reds were bottom of the Championship and in months had them vying for a Premier League place. Cooper defied the odds and took Forest to the Promised Land via the play-offs during the 2021/22 campaign. The team almost won automatic promotion and the head coach’s stock rose. If that wasn’t enough, Cooper went and kept Forest up in…