Horford, who has been a cornerstone for the Hawks for nearly a decade, agreed to a maximum four-year, $113 million deal with the Boston Celtics on Saturday. The Hawks failed to offer the four-time All-Star center a maximum five-year, $153 million deal. Horford will leave the team he joined as the No. 3 overall pick in the 2007 NBA Draft.
He announced his decision on social media, posting on Twitter: “Celtic Pride!!!!!" with many shamrock emojis.
The deal comes hours after news of Tom Brady joining the Celtics contingent in New York as part of a pitch to free agent Kevin Durant.
– WFXT in Boston contributed to this report.