If the Celtics move forward with a fully equipped 15-man roster, that will likely mean Walker’s presence there is set. However, Boston has not yet confirmed this.

While a move like this gets the Celtics under the NBA ’s second tax apron, fans have speculated that Boston will use their final roster spot to add Ben Simmons, who the Celtics have reportedly been interested in, per Marc Stein and Brian Windhorst.

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 two, focused on the guards.

Celtics Celtics roster is coming into focus, but things could change when free agency begins By Adam Himmelsbach Globe Staff,Updated June 29, 2025, 5:36 p.m.

The Celtics have remade their roster. If they don't make any more moves, how good can this team be next year? Jun 17, 2024; Boston, Massachusetts, USA; Dallas Mavericks guard Luka Doncic (77 ...

As such, the Celtics are firmly above the second tax apron. Current projections have them sitting $25 million over the threshold, with that number likely to rise in the coming years.

If the Celtics win the title this season and Horford, at age 36, remains basically the same player he was a season ago, he will be inducted into the Basketball Hall of Fame someday.

10 players the Celtics could target in the upcoming NBA Draft 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.