Week 2 is an overreaction week in the NFL. All the buildup and anticipation for the season comes to a head in Week 1, and bettors formulate strong opinions about what they’ve most recently seen.
Oddsmakers and bettors both will make adjustments that are too big based on what happened with the first set of games. Oddsmakers sometimes overreact to games that had onesided action. Bettors overreact to the results. We have only one data point out of 17 in the books for each of these teams, but that one data point seems to carry a whole lot of weight.