This involves making a wager on either the favorite or underdog to cover the point spread. Spread – The most popular way to bet NFL football is taking a team against the spread ( ATS). NFL Betting Tips - Learn the Basics, Get NFL Odds NFL Odds Glossary Anybody looking to use NFL odds for sports betting purposes should also check out our biggest and best NFL betting page: The page you are on now shows all legal US online sportsbooks that have made their NFL odds feeds available to us.Īs more states have legalized sports betting, we’ve experienced an influx of visitors searching for information on legal US sports betting. The RotoGrinders team developed the NFL Odds tool as a resource for comparing odds among legal US online sportsbooks.