Wrexham player-manager Andy Morrell described winning the FA Trophy as "unbelievable".
He said the fans, who own the club, as "sensational for what they've done, and what they are."
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40,000 people are expected at the motorbike event in the capital this weekend.
The comedian visited the area in 1964 after apparently upsetting people with one of his routines.
The daughter of former Ospreys player Jerry Collins has been pictured recovering in hospital in France after a fatal crash last month.