I'd be shocked if Deni got extended this off-season. There is no reason to do so given his lack of production.
Everyone on this team is officially a trade or sign & trade candidate with the new front office. I expect a lot of roster turnover to accumulate young players or draft assets. Winger already said they aren't running it back, which was great to hear. Hopefully KP opts in to his final year as that would increase his trade value with an expiring contract for a good player. I know a lot of people are talking about Beal to Miami, potentially, but I could see Kuz being a fit down there as well. They need size, Kuz can play initiate the offense and he can play solid defense. He won't ever be super efficient but playing next to Bam and Butler and being in the Heat culture might improve him a bit in that area. Plus, it's a lot less in terms of money.