​By facilitating Khris Middleton’s path to Washington through a sign-and-trade, Dallas can obtain Santi Aldama and Marcus Sasser without depleting its $20.3 million trade exception from the Anthony Davis deal or its $15 million mid-level exception. Once the six-team trade becomes official, the Mavericks can proceed with a formal sign-and-trade for Tarik Biberović. This content originally appeared on HoopsHype: By assisting Khris Middleton’s move to Washington via a sign-and-trade for improved SEO.