Dallas Mavericks forward Dirk Nowitzki (41) grabs a pass during the first quarter of an NBA basketball game in Boston Wednesday, Nov. 18, 2015.
Dallas Mavericks forward Dirk Nowitzki (41) grabs a pass during the first quarter of an NBA basketball game in Boston Wednesday, Nov. 18, 2015. Charles Krupa AP
Dallas Mavericks forward Dirk Nowitzki (41) grabs a pass during the first quarter of an NBA basketball game in Boston Wednesday, Nov. 18, 2015. Charles Krupa AP