The Boston Celtics honored Paul Pierce on Sunday as the longtime Celtic had his jersey retired at TD Garden. Former coach Doc Rivers and teammates Kevin Garnett, Rajon Rondo, Robert Parish and Antoine Walker were in the building for the game. Ray Allen, though, was not included in the festivities. Instead, the former Celtics guard went golfing with George Lopez. Shortly before the game, Allen shared a photo from the golf course and congratulated Lopez on a hole in one.