Every August, sportsbooks open preseason NFL lines and a certain subset of football bettors — the ones who have been in withdrawal since the Super Bowl — experience a Pavlovian response that overrides their better judgment.

The preseason lines are there. The preseason games are on TV. The money is in the account. What could go wrong?

A lot, actually. But also maybe nothing. The case is more nuanced than the dismissals suggest.

The Case Against Preseason Betting

The starters aren't playing. The most important players on any NFL roster — the quarterbacks, the franchise skill players, the starting defensive starters — are given playing time in preseason games that ranges from minimal to zero. You are betting on a football game where most of the players you've analyzed will not appear.

Preseason is meaningless to the people playing it. The players who do appear in preseason games are fighting for roster spots, not wins. The coaches are evaluating personnel, not executing game plans. The incentive structure of a preseason game is categorically different from a regular season game. Teams regularly play second-string quarterbacks in the second half of the first preseason game for evaluation purposes. The spread was set for a football game. What you're watching is a tryout.

The information asymmetry is severe. The primary edge anyone can have in sports betting comes from having better information than the market. The information that matters for preseason — who's healthy, who's ready, what the coaching staff is prioritizing — is almost entirely private and insider. You don't have it. The public betting market doesn't have it. The lines are soft in a way that sounds like opportunity and actually reflects that nobody knows what's happening.

The Case For Preseason Betting (Narrow Version)

Home teams cover at a higher rate in preseason. This is documented. The home team has travel, facility, and practice familiarity advantages that matter more in preseason when coaching staff communication and scheme execution are more variable. It's not a massive edge but it's statistically real.

Teams that show early offensive installation tend to outperform their numbers. If a team's offensive coordinator is using preseason Game 1 to actually install and practice their starting offense — as opposed to holding it entirely in preparation for Week 1 — they tend to generate more consistent offensive production than teams holding everything back. This information is sometimes available from beat reporters covering camp.

The over tends to hit less in preseason. Preseason offenses are inconsistent. Field goals are more common as kickers attempt to make rosters. Scoring is volatile in both directions but the average is lower than regular season. Overs that reflect regular season expectations are frequently mis-priced in August.

None of this is a sustainable edge at scale. It's a marginal edge in specific situations.

The Honest Assessment

Preseason betting is the correct choice in exactly one scenario: you have done specific research on a specific preseason game, have identified a genuine inefficiency (the home dog with a new OC running their actual offense, the team with a motivated backup QB fighting for a contract), and you're betting at a size that reflects the genuine uncertainty of preseason football.

It is the wrong choice in every other scenario, which includes:

  • Betting because you're bored and missing football
  • Betting because the lines are available
  • Betting the team you think is better on paper
  • Betting the same way you would bet a regular season game
  • Betting to stay warm before the season

The sportsbooks make significantly more money on preseason betting than regular season per unit wagered. There's a reason for that. Most of it lands in the "it's just donating" category.

If you're going to bet preseason: bet small, bet specific, and do not let preseason results inform your confidence heading into September. The teams that cover in August are not the teams that cover in November.

For the full framework on NFL betting before the season starts, see our guide to bankroll management and how to bet sports like you've done this before.