It's an NBA offseason special, a six-team trade.ESPN's Shams Charania first reported the deal on Tuesday night that will include the Dallas Mavericks, Washington Wizards, Los Angeles Clippers, Detroit Pistons, Milwaukee Bucks and Memphis Grizzlies.The latest piece of news is that Khris Middleton is going from the Mavs to the Wizards, but this isn't a whole new deal.This is a lot of reported smaller deals being combined for salary purposes.MORE: Bronny James' best future doesn't involve a trade from LakersIt's a lot like what happened last team when the Kevin Durant trade turned into a seven-team deal.Various GMs look at the different contracts that are moving and figure out a way to align them all.The full terms of this deal aren't quite out, but previous agreements can be deduced to be a