Wojnarowski initially reported Miami would acquire Maurice Harkless and Meyers Leonard, but Harkless will actually go to the Clippers, along with a protected 2023 first-round pick. Los Angeles will still have the cap space to offer Kawhi Leonard a max contract.
Miami will also send Josh Richardson to the 76ers as part of the deal.
Whiteside recently opted into the final year of his four-year, $98 million deal he signed in 2016. The big man is set to make $27 million in his eighth NBA season.
The Trail Blazers will be looking to grow off a season in which they reached the Western Conference finals. Whiteside will likely be a backup to Jusuf Nurkic when he returns from his broken leg that kept him out at the end of last season. Team president of basketball operations Neil Olshey told Jason Quick of The Athletic he is not sure when Nurkic would be able to return.