The Detroit Pistons face the Boston Celtics in a regular season NBA game on Monday, Dec. 15, 2025 at TD Garden in Boston, Mass.

Check local listings each week. Both games will stream live nationwide on Peacock. NBC Sports will launch Sunday Night Basketball across NBC and Peacock on Feb. 1, 2026. For a full schedule of the NBA on NBC and Peacock, click here.

The 19-1 Thunder are currently the favorites to win the 2025 NBA Cup (-125 at FanDuel ). The Bucks won the competition last year, and the Lakers won the initial version in 2023.

The Dallas Mavericks are wrapping up their week off while the NBA Cup progresses, and will hope to carry over the momentum that built just before the break. Winners of four of their last five due to the blossoming play of Ryan Nembhard and the ascendancy of Cooper Flagg, combined with ace veteran support.