The Oakland Raiders are fresh off their walk-off victory over the division rival Kansas City Chiefs in Week 7. Now, they get some extra time to prepare for a tough road game against the Buffalo Bills in Week 8.

The Bills, who are 4-2, are coming off a victory over the Tampa Bay Buccaneers in Week 7. They are led by talented running back LeSean McCoy and a quarterback in Tyrod Taylor who's capable of excelling with both his arm and his legs.

Entering the big game in which the Raiders will be traveling to Buffalo for, VegasInsider.com has released the opening line, which features the Bills as three-point (-3) favorites.

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The over/under on the game is set at 45, which is somewhat surprising as this game features two teams who just combined for 61 points this past week.

While it may be somewhat disappointing to Raiders fans that they're underdogs against the Bills, this is actually a sign that oddsmakers believe in the Raiders in this spot. The spread is small and there's an obvious chance that we could see it move even more before game time rolls around.

For what it's worth, the Raiders and Bills have split the last four meetings with Oakland getting the job done in the previous two matchups, according to The Football Database.