Knicks' Frank Ntilikina showing some frustration after Christmas benching"I don't know how long it will be [this time]"12/27/2018, 3:04 AMDec 19, 2018; Philadelphia, PA, USA; New York Knicks guard Frank Ntilikina (11) drives to the basket against Philadelphia 76ers guard Jimmy Butler (23) during the second quarter at Wells Fargo Center. Mandatory Credit: Bill Streicher-USA TODAY Sports / Bill Streicher