C?s don?t need another 3&D role player. Already have Hauser, Walsh, Minott. They need a center.

The answer to what? What is the question? A fifth starter instead of Pritchard? A 20mpg bench SG? What is the role you want him to fill?

As a starting shooting guard.

Ellis has great off-ball movement, he is an elite three point shooter and an elite defender. Think Alex Caruso.

https://youtu.be/WmdA1a4nfXc

When Tatum comes back, you would have a starting five of great to elite defenders.

White
Ellis
Brown
Tatum
Queta

Prichard, Walsh, Hauser, Minott

Keon Ellis has a very cheap contract, the Celtics could trade for him and still bring in a center with the Simons contract.