Oisin Murphy will donate £25,000 to the Motor Neurone Disease Association (MNDA) and an equal amount to Racing Welfare, if he keeps his place at the top of the World Pool Jockeys' Championship, which ends at Ascot on QIPCO British Champions Day on Saturday. The four-time champion jockey holds a considerable 54.55-point lead over Kieran Shoemark, meaning Shoemark would have to ride a winner at World Pool odds of 54.60 and Murphy draw a blank to be passed. Back in third is the now Hong Kong-based Richard Kingscote, while David...