During the 2024-25 NBA season with the Celtics, Horford played in 60 games and made 42 starts. He averaged nine points, 6.2 rebounds, 2.1 assists, and 0.9 blocks per game, while shooting 42.3 percent and 36.3 percent from three-point range.

Entering NBA free agency, the expectation was that Al Horford would land with the Golden State Warriors and not return to the Boston Celtics. While Horford has not yet formally agreed to a contract to join the Warriors,

The Golden State Warriors have been linked with Al Horford since free agency started a few days ago. The former Boston Celtics center, a 39-year old All-Star and NBA champion, could be a big pickup in the Bay Area. But a deal hasn't gotten done yet, and there might be a Warriors-related reason: Jonathan Kuminga.