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WATCH: Glen Boss and Sir Dragonet storm home to win the 100th Cox Plate

Australian jockey Glen Boss has added another chapter to his stellar Cox Plate history, claiming his fourth title on Sir Dragonet in the 100th running of the famous race.

Boss, who famously won three straight Melbourne Cups from 2003-5 on Makybe Diva, stormed home in the final 600 metres to win from Armory and pre-race favourite Russian Camelot.