Celtics, Al Horford agree to contract extension, ESPN reports
Celtics, Al Horford agree to two-year contract extension
Report: Celtics offer Marcus Smart four-year, $77.2 million extension - NBC Sports
Al Horford signed an extension with the Celtics. What does that mean?
Report: Celtics, Al Horford agree to two-year extension
Celtics, Al Horford agree to two-year, $20M extension
Celtics expected to sign Kristaps Porzingis to two-year extension (report)
Celtics reportedly willing to extend Marcus Smart on a four-year deal
Tag: Al Horford – NBC Boston
Celtics trade Kemba Walker and first-round pick to Thunder
Al Horford agrees to 2-year, $20 million extension with Celtics
Jaylen Brown Rumors: 'Very Good Chance' Celtics Sign SG to New Contract amid Backlash : r/bostonceltics
Boston Celtics: How Cs should navigate Marcus Smart's extension
Celtics' Al Horford signs 2-year, $19.5 million contract extension - The Athletic