The horse , Gay Future , broke his neck and died , aged six , at a racing event in Wetherby in January 1976 .
The UK 's Jockey Club barred Collins and Murphy from British racecourses for ten years .
The horse , Gay Future , broke Collins ' neck and died , aged six , at a racing event in Wetherby in January 1976 .
The UK 's Jockey Club barred Collins and Murphy from British racecourses for ten years .