Tuesday night's NBA Cup group stage matchup between the Dallas Mavericks and Golden State Warriors averaged 2.14 million viewers on TNT.
It is TNT's most-watched game since opening night.
Including ESPN, the Warriors have played in the top two most-watched games this season.
The Knicks-Sixers matchup from earlier in the night averaged 1.71 million viewers.
ESPN viewership is down 27% this season, with TNT viewership down 16%.