Celtics move on from Kemba Walker with trade to Thunder for former
Al Horford: Missing Thunder's Last 28 Games Was Planned to Put Him
Thunder trades Al Horford to Celtics for Kemba Walker, NBA Draft pick
Breaking down the Oklahoma City Thunder's future draft picks
Celtics Trade Picks to West Squad for Long-Time Al Horford
Russell Westbrook traded to Rockets for Chris Paul, ending 11-year
NBA Rumors: Boston Celtics trade Kemba Walker to OKC Thunder
Thunder and Sixers officially complete Al Horford-Danny Green trade
Boston Celtics trade Kemba Walker to Oklahoma City Thunder in
Celtics: Al Horford spills on helpful Thunder stint amid career