GREENBURGH, N.Y. — When Kristaps Porzingis sat down at a table at the Knicks’ training facility Monday afternoon, it was like a proverbial green flag to the start of the team’s 2018-19 season. After a summer of hype about its new rookies and the beginning of David Fizdale’s tenure as head coach, the organization could now look forward to a new season. The story this September is the same as it was last year — Porzingis remains the focal point.



All certainty ends there, however. Porzingis is still rehabilitating from the left ACL he tore last February and will continue to for the foreseeable future. A return date is unclear. Details are scant.



On the day before the Knicks begin training camp, the situation remains the same as it was in the weeks after Porzingis got hurt. He will return whenever he returns.



“I’m hungry and I want to be back on the court as soon as possible,” Porzingis said. “It’s good...