The Buffalo Bills' 23-3 loss to the New England Patriots had a strong preliminary rating of 38.2 Sunday on WIVB-TV (Channel 4), the local CBS affiliate.
The rating peaked at 41.5 at 2 p.m.
It was the highest-rated game in four weeks but was expected to be since it was against the Patriots, who typically draw higher ratings here.
For the season, the Bills' 12 games have averaged a 35.9 rating.
The Bills' 16-10 victory over Kansas City, which came down to the last minute, had a 36.2 rating a week before the Patriots game.
The previous games were blowout losses, which reduced the rating.
The Bills' 54-24 loss to the Los Angeles Chargers had a 34.3 rating on WUTV, the local Fox affiliate. It tied with the season-opening victory over the New York Jets as the second-lowest rated game of the season.
New Orleans' 47-10 victory over the Bills is the lowest-rated game of the season at 31.4.