Grant, 42, left by mutual consent on Tuesday after the 1-0 defeat at bottom club QPR on Monday left the Canaries in the relegation zone with just eight points from their opening 10 matches.
He told the club´s website: "It was a very, very difficult decision for us to make but it was right for myself and for the football club to go forward. We are in a results-driven business and I don´t like being second best at anything."
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