Knicks decline options on Bobby Portis, Taj Gibson, waive Elfrid Payton -- now have 40M in cap spaceKnicks could bring them back on lesser deals11/19/2020, 6:12 PMRyan MorikFreelance Editorial ProducerDec 20, 2019; Miami, Florida, USA; New York Knicks forward Bobby Portis (1) dunks the ball against the Miami Heat during the first half at American Airlines Arena. Mandatory Credit: Jasen Vinlove-USA TODAY Sports / Jasen Vinlove