Yes 'pretty sure' is one of the secret herbs and spices.
If he was to go there it would be hard to see it being worthwhile going up, doing a full pre-season say for only 1 year and $600k. Probably diminish his brand doing that.
Would have to be more to it. Say 2 years with ample sponsor and other financial/lifestyle opportunities. Probably still stay in the top 5% of AFL earners even with a lower base salary.