Matthew Poon Ming-fai says he has emerged from his roller-coaster 2020-21 campaign a new man, with a pair of nasty falls prompting the 27-year-old to change his diet and approach to exercise.After breaking his ribs in a fall from The Elites at Happy Valley in November last year, Poon damaged ligaments in his foot after coming off Plikclone at the final Sha Tin meeting of last season in July.After these two incidents I rea