Not that much...
Bettors love Buffalo
The Buffalo Bills are currently 3.5-point road favorites against the New England Patriots on Thursday night. That line is down two points from the opening number, when the Bills opened as a 5.5-point favorite. The line movement is a bit surprising when you realize that bettors are actually siding with Buffalo.
Currently at BetMGM, 77% of bets and 75% of the betting handle is backing Buffalo to cover the spread as a road favorite. Despite the massive discrepancy in wagering action, the line is moving against the Bills.
https://sports.yahoo.com/nfl-betting-bettors-love-the-buffalo-bills-on-thursday-night-against-the-patriots-181941157.html