The last time the Toronto Raptors played the Boston Celtics, the Raptors played eight players. Seven of them are no longer on the team, and the last, Chris Boucher, is currently injured.
This became apparent to me when selecting the picture to accompany this game thread; we usually like to pick a photo from the last time the teams met, featuring players who will play in the upcoming game. That’s literally not possible in this case! (For their part, the Celtics played 10 players in that game, and only five of them remain on the roster.