Sports Illustrated writer explains Al Horford being ranked highest on Celtics By NBC Sports Boston Video • Published September 14, 2018 • Updated on September 14, 2018 at 4:14 pm Share SI Senior Writer Ben Golliver discusses SI's Top 100 NBA player rankings and why Al Horford was ranked as the best Celtic. Subscribe to the "Celtics Talk Podcast" RELATED: SI's Top 100 list highlights the Celtics depth