Tony Nadal, uncle and coach of World No 3 Rafael Nadal, believes that dominance of big four has diminished in the wake of fierce competition from the newcomers.
- New crop threatens 'Big Four' hegemony
He further said that when Milos Raonic, Nishikori and Grigor Dimitrov would make the next step, they would be capable of winning the big ones.
The 2014 season saw Stanislas Wawrinka and Marin Cilic winning Australian Open and US Open respectively, claiming majors for the first time from outside the Big Four since 2009.
Image: Rafael Nadal
Photograph: Petar Kujundzic/Reuters
New crop threatens 'Big Four' hegemony
Australian Open tweaks heat policy for 2015
Paris Masters: Murray books ATP Finals spot; Wawrinka knocked out
Nadal, a thorn in Djokovic's side as he eyes French Open next year
Switzerland triumph ends the GOAT debate... Roger Federer it is!