Through the first five days of NCAA “March Madness” averaged 9.0 million Nielsen-measured across CBS, TBS, TNT, and TruTV, according to the NCAA — the best results ever for the tournament over that period. Thursday’s first-round game average of 8.5 million viewers was up 1% from a year ago (8.4 million) — the most-watched opening day of the first round since 2015.
