Al Horford: Young Celtics must keep building Unknown 00:04 Al Horford says the Celtics must keep building if they intend to make a run at the NBA championship. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsChampions League: Lionel Messi, Paulo Dybala renew rivalry as Barcelona face JuventusMohamed Salah eclipses Robbie Fowler's Premier League record; nominated for African Footballer of the Year awardChampions League: Real Madrid manager Zinedine Zidane 'optimistic' about turning club's form aroundDespite Fan Base, Bagan, EB Don't Get Investors: AIFF SecyFrom Peter Bosz's style to Pierre-Emerick Aubameyang's drought, reasons behind Dortmund's strugglesPremier League: Everton's Oumar Niasse charged retrospectively by FA for diving in Crystal Palace match
