The Baltimore Ravens are favored to beat the Buffalo Bills in Week 4. They are currently favored by 3.5 points, according to betting website Oddsshark. The line opened at -3 in Baltimore's favor and hasn't moved much since then. The over/under is set at 43.5.
Ravens vs. Bills 2013 odds: Ravens slight favorites on the road
Vegas is leaning towards the Ravens this week. They are slight favorites to beat the Bills on the road.
The Ravens recovered from their Week 1 beatdown to stomp the Houston Texans, 30-9. They were 1.5 point favorites and had no trouble covering. Baltimore is now 2-1 against the spread this season. Their Vegas outlook remains somewhat murky if Ray Rice misses another week, although Bernard Pierce is a capable backup.
The Bills fell to 1-2 after losing to the New York Jets, 20-27. They were 2.5 point underdogs and failed to cover. It's the first time they were unable to beat the spread this season. C.J. Spiller is dealing with a knee injury, though it's not considered serious.
For more betting details on this matchup, head over to Oddsshark.


















