What's left for open roster spots after Celtics sign rookie Dillon Mitchell?

What's left for open roster spots after Celtics sign rookie Dillon Mitchell? originally appeared on NBC Sports BostonThe Boston Celtics announced Wednesday that they have signed rookie forward Dillon Mitchell to a two-way contract.The signing of Mitchell, the 40th pick in the 2026 draft, comes on the heels of reports that he was pondering a return to St. John’s for a potentially more lucrative fifth college season. Instead, Mitchell fills the second of three available two-way slots on Bost