Gary Washburn: #Celtics suffer their second consecutive loss, 118-114 to #76ers and are 6-5 in December. Team has some issues to address, especially defense and turnovers. Tatum 32, Brown 23, White 21, Horford 17; Maxey 33, Embiid 27, Martin 23 (7 for 9 3pt), George 12, Yabusele 12.