Celtics, Al Horford agree to two-year contract extension
Breaking down future Celtics player extensions with CelticsBlog's Keith Smith - CelticsBlog
Boston Celtics agree to a two-year, $20 million contract extension with Al Horford
Al Horford on Robert Williams return to starting lineup: β[He] takes us to another level.β - CelticsBlog
Celtics Notes: Horford, Trade Market, R. Williams
Boston Celtics: What Rob Williams extension means for team's future
Celtics Hit Another Dead End, With No Clear Path Forward This Time - The New York Times
Boston Celtics agree to a two-year, $20 million contract extension with Al Horford
AP source: Celtics extend Horford for 2 years, $20 million - The San Diego Union-Tribune
Celtics extend Payton Pritchard ahead of 2023-2024 season
Boston Celtics: Strain on Horford & R. Williams could lead to 7x All-Star FA
Robert Williams returning for Game 4
Al Horford Sends Strong Message to Robert Williams
Who should be Boston Celtics' starting center this season, Al Horford or Robert Williams?