The Boss has left the building.
The Al Horford era in Atlanta is over.
With it goes nine seasons of unprecedented success for the Hawks organization. Whether the run continues following several organization-altering moves over the past weeks remains to be seen. If so, it will be done without the player who has been a cornerstone of the organization for nearly a decade.
Horford agreed to a maximum deal of four years, $113 million with the Celtics on Saturday. Horford broke the news via social media as he posted on Twitter: “Celtic Pride!!!!!! with 18 shamrock emojis.