Knicks' Dennis Smith Jr. out vs. Spurs with back injuryEmmanuel Mudiay in line to get start at point guard3/15/2019, 5:30 PMMar 9, 2019; New York, NY, USA; New York Knicks point guard Dennis Smith Jr. (5) controls the ball against Sacramento Kings point guard De'Aaron Fox (5) during the fourth quarter at Madison Square Garden. Mandatory Credit: Brad Penner-USA TODAY Sports / Brad Penner