In terms of total acquisition cost, the two players in whom Suns GM Ryan McDonough invested most of his professional capital were Brandon Knight and Marquese Chriss.
In a complicated string of moves before and since, with assets traded upon assets, the acquisition of Knight and Chriss have come quite literally at the price of Goran Dragic, Isaiah Thomas, Markieff Morris, Marcus Morris and Bogdan Bogdanovic (not to mention Miles Plumlee, Tyler Ennis, Skal Labissiere and Papa Johns).