Horford is a key member of Joe Mazzulla's roster. Not only is he a reliable presence on the court, he's also a leader in the locker room and on the bench. Nevertheless, Horford may value the opportunity to keep contending for a championship next season, which is something Boston is unable to offer.

Several teams are after Al Horford and the Celtics just might have to stomach seeing the free agent veteran center sign with a hated archrival.

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,