Devin Booker has already signed a maximum-salary extension with the Suns, and Karl-Anthony Towns is discussing a similar deal with the Timberwolves, but the Knicks appear to be in no rush to lock up Kristaps Porzingis to a long-term rookie scale extension of his own. As Ian Begley of ESPN.com notes, signing Porzingis now would mean giving up about $10MM in 2019 cap room, so the team may prefer to