Alexander Zverev played a super match against Roger Federer at the Hopman Cup and beat the Swiss maestro in three tie-break sets 7-6 6-7 7-6. Both players looked really sharp in a match that pretty much had everything. I think this week already shows us that the young guns are ready to make big things happen in 2017 with 20-year-olds Jared Donaldson pushing Kei Nishikori to three sets and Daniil …
