Boston Celtics has agreed to sign a four-year $113 million maximum contract with an unrestricted free agent center Alfred Joel "Al" Horford Reynoso. Horford, 30, a four time All-Star, averages 15.2 PPG, 7.3 RPG, and 3.2 APG.

Horford spent nine NBA seasons with Atlanta Hawks where he made playoffs for the past years. On Sunday, Horford posted on his Twitter account as his announcement that he had picked Boston Celtics as his new team.