New England Patriots at Buffalo Bills: 2021 AFC Wild Card Round Pick

New England Patriots (10-7) at Buffalo Bills (11-6)

These two teams are pretty similar, as they have solid records, but even more impressive point differentials, with the Bills ranking 1st at +194 and the Patriots ranking 3rd at +159. That carries over to efficiency rating, which is more predictive week-to-week, as the Bills rank 7th in schedule adjusted offensive efficiency and 1st in schedule adjusted defensive efficiency, while the Patriots rank 5th in both metrics, having played a slightly tougher schedule with a better winning percentage against playoff qualifiers. Neither team has fared well against playoff qualifiers though, mostly accumulating their impressive point differentials against sub .500 teams.

One of the wins against playoff qualifiers that each team has came at the expense of the other, with these two teams splitting the season series and each winning on the opposing team’s homefield. There is more of a tendency to discount the Patriots’ win in Buffalo because it came in tough conditions in a game in which the Patriots kept the ball on the ground almost every play and relied on their defense to stop a more traditional Bills offense, but the season long stats suggest these two teams are even enough that a season series split would make sense and, though the Bills’ win came by more points, they only outgained the Patriots by about a tenth of a yard per play across the two matchups.

Despite the Bills only being slightly better than the Patriots at best, this line, favoring them by 4 points at home, suggests they are a noticeably better team, with homefield advantage only counting for about 1.5 points in recent years and about 30% of games being decided by 4 points or fewer historically. My calculated line has the Bills favored by 2, so we’re getting significant line value with the Patriots, crossing the key number of three, which decides about 1 in 6 games. 

Three is the amount the Bills were favored by in the matchup between these two teams in Buffalo earlier this season, which I thought was too high at the time, and now I think it’s an overreaction to the Patriots’ slow finish to the season that this line has shifted even higher to four, as the Patriots won the yards per play and first down rate battle in two of their three losses to end the season, with the exception being their home loss to the Bills. The Patriots are worth a bet at +4 and I am hoping for +4.5 before gametime for potentially a bigger bet.

Update: This line has moved up to 4.5. The Patriots will be without left tackle Isaiah Wynn, but I wasn’t expecting him to play and his absence isn’t that big of a deal because they can move Trent Brown to left tackle and insert Michael Onwenu at right tackle, where he has had a lot of success when called upon over the past two seasons. Cornerback Jalen Mills being out might be a bigger deal because they are thinner at that position, but I was also expecting him to be out and the Bills have questionable cornerback depth as well, since losing top cornerback Tre’Davious White a few weeks ago. I am going to increase this bet.

Buffalo Bills 24 New England Patriots 23

Pick against the spread: New England +4.5

Confidence: High

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