Kristaps Porzingis just addressed the media and was asked about his availability for Game 1 and if he's 100%. Porzingis replied that while the plan is for hom to play on Thursday he doesn't know if he's 100%, but "we'll see."
My hope here is that part of Kristaps' answer is to play coy with the media so as not to tip the Celtics hand to the Dallas Mavericks. That way the Mavs have to split their preparation between two different Celtics teams. We shall see though. Not the most reassuring interview for sure.