If you have ESPN+ or Insider then you should take a look at the off-season guide they have for the Suns. It doesn't give any detailed rumors but does explain who is under contract, how much everyone is making, and the teams cap/tax situation.
www.espn.com/nba/insider/story/_/id/33922971/nba-offseason-guide-2022-how-phoenix-suns-approach-offseason
www.espn.com/nba/insider/story/_/id/33922971/nba-offseason-guide-2022-how-phoenix-suns-approach-offseason