76ers vs. Celtics odds, line, spread: 2021 NBA picks, Dec. 20 prediction, best bets from model on 44-20 run | CBS Sports Headlines 76ers vs. Celtics odds, line, spread: 2021 NBA picks, Dec. 20 prediction, best bets from model on 44-20 run SportsLine’s model just revealed its NBA picks today … Continue reading 76ers vs. Celtics odds, line, spread: 2021 NBA picks, Dec. 20 prediction, best bets from model on 44-20 run