Devin Booker and Kevin Durant are carrying the Suns at a historic level, but how long can it continue?

After gluing Landry Shamet, T.J. Warren and Terrence Ross to the bench for the entirety of Game 2 and for all but 19 combined minutes through the first two games of this second-round series against Denver, Suns coach Monty Williams dusted off his trio of bench shooters for 130 total minutes over Games 3 and 4, both Phoenix victories to tie the series 2-2. It might seem strange to lead a story with the names of three Phoenix bench guys on a night when Devin Booker and Kevin Durant combined to score 72 points, two nights after they laid down…