'Hopefully not this year': Big 3 aim to keep young challengers at bay

Novak Djokovic admits the next generation of players are edging closer, but tennis's Big Three remain one step ahead as they aim to extend their dominance at the Australian Open.

'Hopefully not this year': Big 3 aim to keep young challengers at bay
Novak Djokovic admits the next generation of players are edging closer, but tennis's Big Three remain one step ahead as they aim to extend their dominance at the Australian Open.