Baltimore is the defending champion, but retirements and defections have oddsmakers questioning if the Ravens will even make the playoffs in 2013.
Indeed, one online sportsbook set their win total at 8.5 for the upcoming season, three wins lower than the highest total of 11.5.
Sportsbook opened the 49ers, Patriots and Broncos at 11.5 wins with the Texans, Packers and Seahawks next at 10.5.
Which team has the lowest predicted win total for 2013? Jacksonville sits at 5 in the Sportsbook lines, while Arizona and Oakland are next at 5.5 wins.
Betting on NFL win totals can be profitable, but they take a long time to settle your bet. Many handicappers can look at the schedule and estimate the obvious victories for each team.
But an injury or a slump can quickly derail a bet or turn an upset wager into a winning ticket.
Check out the current NFL win total odds as of May 21 at Sportsbook:
Green Bay Packers
Kansas City Chiefs
New England Patriots
New Orleans Saints
New York Giants
New York Jets
San Diego Chargers
San Francisco 49ers
St Louis Rams
Tampa Bay Buccaneers