Sixers trade Al Horford, two draft picks to Thunder for Danny Green, per report - DraftKings Network
Danny Green, Terrence Ferguson, Vincent Poirier officially traded to Philadelphia 76ers
Celtics trade Kemba Walker to Thunder for Al Horford, Moses Brown
Al Horford on return to Boston Celtics: I'm really grateful to be back - CelticsBlog
Trade grades: Mavericks, 76ers swap guards as Josh Richardson heads to Dallas for Seth Curry
Ex-Celtic Kemba Walker Could Soon Be Traded Again: Report
Philadelphia 76ers: Grading recently proposed Bleach Report trades - Page 2
Thunder and Sixers officially complete Al Horford-Danny Green trade
Knicks Acquire Terrance Ferguson, Trade Austin Rivers
Celtics move on from Kemba Walker with trade to Thunder for former Celtic Al Horford - The Boston Globe