NBA odds: Celtics vs. 76ers betting picks; two locks against the spread NBC Sports Boston’s coverage of Celtics-76ers starts tonight at 6:30 p.m. ET with Celtics Pregame Live, and then Mike & Scal have the call of the game at 7:30 p.m. Welcome back, NBA basketball. We’ve missed you so. An offseason of superstar musical chairs set the table for what could be one of the most entertaining NBA seasons in recent memory — one that started strong Tuesday night with two great matchups.