List fighters Khabib needs to beat to be the undisputed goat

In before jon jones.
be realistic, fighters within 155/170

So the question is...
what is the MINIMUM that Khabib needs to do for him to be the goat in your eyes.
For me the minimum he has to do is:
1) Tony
2) GSP
3) Gaethje
would put him just above everyone else for me...

but to put him really ahead of everyone would be if he also won the 170lb belt against Usman.