Brunson's deal has no option. Anyone who says otherwise is misinformed. His last year is simply non-guaranteed (so far). And they aren't going to put him on waivers to get rid of his contract at no cost, which is the only extra that a non-guaranteed contract offers you.
There is no way to make him a RFA.
He will be a UFA in the summer of 2022.
There is no way to make him a RFA.
He will be a UFA in the summer of 2022.