June 18 (UPI) -- Boston Celtics center Al Horford is expected to decline his $30.1 million player option for the 2019-20 season and become an unrestricted free agent.
ESPN and Stadium reported Horford, a five-time All-Star, will become a free agent June 30. Horford signed a four-year, $113 million deal with the Celtics in 2016.