When he spoke for the first time of his weeks spent under Diaz in Miami he spoke with a renewed sense of self-belief and purpose – perhaps most worrying of all for any invested in his career is the way that by the end of the rematch with Fundora, as opposed to during their first fight or against Murtazaliev, he had the air of a defeated fighter – and, at the start of the build-up to a date that could yet make or break his career, he was transparently enthused by the coming test.