If Ka Ying Rising (NZ) (Shamexpress) or Mr Brightside (NZ) (Bullbars), or both, win their respective races on FWD Champions Day at Sha Tin on Sunday, celebrations will erupt worldwide. The Australian Hayes family is front and centre saddling these key contenders for the HK$22 million Gr.1 Chairman’s Sprint Prize and HK$24 million Gr.1 FWD Champions Mile (1600m), respectively, but their cheers are likely to be matched by those of breeders and consigners 9,500km away from Hong Kong in New Zealand. For a small country, New Zealand has consistently punched…