With Rudy Gobert out, the Knicks’ frontcourt was able to utterly abuse the Jazz in the paint Monday night. Mitchell Robinson had the game of his life, feasting on Udoka Azubuike and Hassan Whiteside in the paint for 19 points and tying a career high with 21 rebounds. And Julius Randle had one of his most complete games of the season, leading the team with 30 points, though he did pass up an open shot in the paint at a critical moment with under two minutes left. Unfortunately for the Knicks, guard play matters too, and their backcourt struggled on both ends with Kemba Walker (rest) and Quentin…