Welcome to Boston.com’s three-part Celtics roster series, where we look at how things went in 2025 and what lies ahead for 2026. This is part one, focused on the big men. There will be future posts on guards and wings.
Al Horford
Contract status: Free agent
Role: Top reserve/spot starter
Notes on 2025: Horford hits free agency this summer as the Celtics find themselves in an unfavorable luxury tax situation.
At age 39, he remains a valuable rotation piece. He helps the Celtics stretch the floor with his 3-point shooting, though the 36.