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.
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.