Developing an uber athletic 4th PG on the cheap is a reasonable use of the 15th roster spot. JJD has done what Celtics brass want him to do: distribute the basketball well, (8.8 apg in the G league, after a great assist showing in summer league) and attack the basket. His shooting from three has been just OK, at 35.7% on only 2.5 per game.I mean, it's possible the Celtics like him more than you or CellarDoor do.
He also wouldn't have to compete for minutes next year, Hauser and Davison are in much different places in their development.
Their calculus could easily just be, is it better for us to trade our non-rotation 25 year old guard that's going to make 4M next year and replace him with a non-rotation 20 year old guard we drafted who will make less than 2M?
I don't know if the Celtics see more in Davison than you do, but if they like him even a little, it would make sense to have him as a back of the roster prospect while saving them money at the same time.
At a minimum, I'd much rather have a young guy like Davison the Celtics can dream on rather than sign next years version of Justin Jackson for the end of the roster.
I will be surprised if they don’t have Davison in their plans as a development PG. Maybe I am off base, and they don’t think his size at 6’1” fits in with what they want from their PGs, with their switching defense, and go in a different direction this summer.