Knicks' Frank Ntilikina will not return to Sunday's game with sore upper backNtilikina has been averaging 7.6 points and 4.6 assists over the last ten games12/1/2019, 10:20 PMNov 29, 2019; New York, NY, USA; New York Knicks guard Frank Ntilikina (11) dribbles up court during the first quarter at against the Philadelphia 76ers Madison Square Garden. Mandatory Credit: Vincent Carchietta-USA TODAY Sports / Vincent Carchietta