Jockey David Walker has had his riding license suspended after a betting scandal investigation was launched into one of his rides at Awapuni earlier this year. The story that has shocked the typically clean image New Zealand racing scene. The Central Districts jockey will face charges of pulling up a horse so he could collect from a head-to-head bet he ‘allegedly’ placed on a rival horse. The senior rider was aboard Watch Your Man who sat near the rear of the field but video shows he never gave his mount a chance and when he found clear running room, he…