Remember this once the spoilers drop :
Non-all out Luffy (no g4/g5) =< old legends
Half Serious Luffy (no AdCoC, adcoa) ~ Gorosei/ Admirals
Proving once again that only Yonko can truly fight luffy at his peak : AdCoC-AdCoa-FS G4/g5
That's why he can't have old men and Admirals fight or KO non-all out Luffy
Gaban and Rayleigh know their limits against Yonko but they know they know they have changes against Admirals