The full schedule isn't out yet, but on Wednesday we learned about four more games the Celtics will play this regular season, specifically in the group stage of the NBA Cup midseason tournament. 4 More Celtics 2026-27 Games Revealed After NBA Cup Group Stage Schedule Released These four games now bring the total of confirmed Celtics games next season to seven, as two opening-week games were revealed yesterday, as well as their game on Christmas Day.