Christian Mbilli celebrates after a giant win within the co-main event of Top Rank Boxing. Artur Beterbiev demolishes Callum Smith in Round 7 of their bout to retain his titles in the principle event of Top Rank Boxing. Focused world number four Coco Gauff stormed into her first Australian Open quarterfinal on Sunday with a straight-sets mauling… Ukrainian qualifier Dayana Yastremska upset former champion Victoria Azarenka to surge into the Australian Open quarterfinals… The eight-year-old has run solely eight instances in total and shortly developed right into a useful chaser final season when his best effort was an easy win…