Novak is 1 tier below Federer on Grass and nothing that
@Sunny Ali sir tells me will ever convince me that they are in the same tier.
Grass Tiers :
Tier 1 : Federer, Sampras
Tier 2 : Djoker, Becker, Mcenroe, Bjorg
Tier 3 : Edberg, Goran, Nadal of 2008 etc etc
Tier 4 : Murray, Hewitt etc etc
HC tiers :
Tier 1 : Federer. Djokovic
Tier 2 : Sampras, Agassi, , Lendl
Tier 3 : Nadal, Peak Safin, Johnny Mac etc etc
Clay Tiers :
Tier 1 : BOAT Nadal
Bit of a Vacuum
Tier 2 : Bjorg, Peak Gustavo Kuerten, Lendl
Tier 3 : Federer, Djokovic, Wilander, Brugera, Muster etc etc
Tier 4 : Moya, Albert Costa, Gaudio etc etc