The Hong Kong File: Graham Cunningham looks ahead to Sunday's meeting at Sha Tin
HK might as well stand for Hokey Kokey after another week of dramatic ins and outs.
In-form Zac Purton was ruled out of Wednesday's Happy Valley meeting, along with French rider Antoine Hamelin, due to a second positive Covid test in recent weeks.
Both riders are back in for Sunday's Sha Tin card but Ruan Maia and recent Aussie import Jye McNeil…