Ok, now some of you are calling 1 or 2 years as eras
Makes no sense!
There are different time spans within given eras. We are still in Federer's era (maybe you can say Fedal era to give Nadal his deserved credit winning 11 slams); he is still among the top in the game. Until he retires or is not competitive its the Federer era; you would think Federer fans would recognize as much