Harrison overwhelms McCullough in title defence victory
The 25-year-old produced a performance of such strength and majesty against Belfast's former world bantamweight champion that few would deny his credentials to one day rank among Scotland's all-time greats.
In a clash which left McCullough needing hospital treatment for dehydration, Harrison dropped only one round on each of two judges' scorecards on his way to a successful first defence of the WBO featherweight