NEW YORK, NY – DECEMBER 07: Dirk Nowitzki #41 of the Dallas Mavericks and Kristaps Porzingis #6 of the New York Knicks fight for position at Madison Square Garden on December 7, 2015 in New York City. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Elsa/Getty Images)