The NBA on NBC reduced its schedule a couple of weeks during December, to make room for Christmas specials and the live finale of The Voice. But on Christmas week, NBA hoops are back in full force with a pair of double-headers in the lead-up to Santa's Christmas Eve flight.

DIRECTV is an internet TV service that offers your favorite entertainment, news and sports channels, as well as local TV stations and regional sports networks. Sign up now and get three free months of premium channels including HBO Max, Paramount+ with SHOWTIME and Starz.

Follow along with live updates around NBA action on Sunday Dec. 21 with key games, moments and highlights from 6-game schedule.

Nikola Jokić and the Nuggets face Cooper Flagg and the Mavs in a Western Conference showdown on NBC and Peacock.

By making it to the final, the Knicks and Spurs already have secured $212,373 per player from the NBA Cup prize money pool. The losing team on Tuesday gets nothing extra. Players on the winning team get an additional $308,560 — pushing their Cup winnings to $530,933 each. Two-way players get half of what players on standard contracts get.

The Detroit Pistons (20-5) take the Eastern Conference’s best record and a three-game winning streak into TD Garden on Monday night to take on the Boston Celtics (15-10), who had their run of five straight victories ended on Thursday.

The NBA Cup quarterfinals are underway between the Miami Heat and Orlando Magic, then New York Knicks and Toronto Raptors. Follow along for live updates.

The New York Knicks face the Orlando Magic and the San Antonio Spurs battle the Oklahoma City Thunder in the NBA Cup Semifinals on Saturday, Dec. 13.