Joel Embiid, Al Horford relish Christmas Day Sixers-Celtics matchup Unknown 01:25 The Boston Celtics have struggled with injuries this season, but Al Horford is back and eager to test himself against Joel Embiid. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsNeymar Celebrates Christmas With Family in BrazilHistory Can Wait as Guardiola Plans Christmas RotationErnie Els Receives Special Invitation to Masters: ReportsMutko Stepping Down as Russia Football Union ChiefDick Advocaat to Coach Sparta RotterdamJose Mourinho Takes Dig at Manchester City's 'Extra Day'
