76ers vs. Celtics prediction, odds, line: Proven model reveals 2026 NBA picks for Sunday Night Basketball

One of the NBA's classic rivalries will hold its next iteration when the Philadelphia 76ers visit the Boston Celtics on Sunday Night Basketball. These franchises have the most postseason meetings in league history, with Boston holding the series lead across all games, 340-249. Philly (33-26) has won three straight games, most recently defeating Miami on Thursday. Boston (39-20) has won five of its last six and is coming off a Friday win over Brooklyn.

Tipoff is at 8 p.m. ET from TD Garden in Boston. The latest Celtics vs. 76ers odds list Boston as the 9.5-point favorite, with the over/under at 221.5.

Before making any 76ers vs. Celtics picks, you NEED to see what the SportsLine Projection Model has to say.

SportsLine's model simulates every NBA game 10,000 times and has returned well over $10,000 in betting profit for $100 players on its top-rated NBA picks over the past eight-plus seasons. The model entered Week 19 on a sizzling 38-18 roll on top-rated NBA spread picks dating back to last season. Anyone following could have seen HUGE returns!

The model has simulated Celtics vs. 76ers 10,000 times and the results are in. The model is going Over on the point total, and it also says one side of the spread hits over 60% of the time!

Who wins Sixers vs. Celtics, and which side of the spread hits over 60% of the time? ... Join SportsLine right now to find out which side of the Celtics vs. Sixers spread you should be all over, all from the model on a 38-18 roll on top-rated NBA spread picks!