EXPLAINED: 14 | Rare Historical Photos

Celtics’ New Ownership Group Makes Surprising Change to Front Office

The Celtics new ownership group has made their first big change in the front office.

Sports Illustrated · Aug 12, 2025

Celtics Announce Contract Extension for Coach Joe Mazzulla

The eccentric boss has gained a reputation as one of the NBA's best.

Sports Illustrated · Aug 8, 2025

Celtics Add 2019 NBA Champion to Bolster Frontcourt Depth

Chris Boucher leaves Toronto as the last remaining member of the 2019 NBA title team.

Sports Illustrated · Aug 5, 2025

Derrick White Recounts Comical Way Gregg Popovich Broke News of His Trade to Celtics

It could have been worse.

Sports Illustrated · Jul 30, 2025

Kyrie Irving Gets Brutally Honest About Time in Brooklyn on Live Stream

Kyrie Irving was surprised by much of what went down in Brooklyn.

Sports Illustrated · Jul 23, 2025

Marcus Smart Totally Understands That Celtics Fans Are Going to Boo Him Now

Marcus Smart expects to be booed when he returns to Boston with the Lakers.

Sports Illustrated · Jul 23, 2025

NBA Insiders Says Ben Simmons Has Interest From Four Teams, Including Recent Champion

Simmons finished his 2025 season with the Clippers after being bought out by the Nets.

Sports Illustrated · Jul 21, 2025

An elite new JP Morgan unit is driving deals for sports teams and stadiums—and bringing in billions

JPMorgan estimates that it has financed well over $10 billion in sports-related deals since 2021.

Fortune · Jul 18, 2025

How Many NBA Teams Are There? A Brief History of Expansion and How We Got to 30

There are plenty of rumors that the NBA is looking to add even more teams in the very near future.

Sports Illustrated · Jul 16, 2025

Celtics Insider Says Jayson Tatum Is Recruiting Damian Lillard During Achilles Rehabs

Lillard is a free agent for the first time after the Bucks opted to stretch and waive the veteran guard.

Sports Illustrated · Jul 15, 2025