Boston Coach Joe Mazzulla said it was ‘a no-brainer’ to bring in Jeff Van Gundy, a former NBA coach and longtime commentator.

Mykhailiuk had 15 points in 25 minutes against the Knicks on Monday.

Jrue Holiday joins his new teammates at their practice facility for the first time since being acquired from Portland on Sunday night.

Commentary: Unlike the Red Sox, Patriots and Bruins, the Celtics are showing a willingness to chase a championship.

Tatum and Jaylen Brown will have a few new teammates in their quest to win the Celtics’ first title since 2008.

Boston parts with Malcolm Brogdon, Robert Williams and two future first-round draft picks.

Paul Pierce is helping Jayson Tatum get ready for the upcoming season, and Sam Cassell – a member of Boston’s 2008 title team – is making it happen.

Boston needs to maintain its defensive identity without Marcus Smart – the 2022 Defensive Player of the Year – and Grant Williams.

After signing the richest deal in NBA history, Brown is committed to making a big impact on Boston through community-enhancing programs.