There is no grind quite like MLB’s regular season, with each team playing 162 games. The same is true from a betting perspective, as MLB odds will continue to adjust based on which teams are overperforming or underperforming throughout the year.
With that in mind, check out this table of the best MLB teams against the spread (ATS) in 2026:
Who is the best MLB team against the spread in 2026?
The Arizona Diamondbacks have the best ATS record so far in 2026.
Who was the best MLB team against the spread last season?
The Chicago White Sox and Miami Marlins posted the best ATS record in 2025, finishing 94-68 for a 58% cover rate.
MLB Run Lines at BetMGM
From spring training through the World Series, daily MLB run lines are available at the online sportsbook.
Sign in to your account today — or, if you don’t have an account, sign up today with a sportsbook welcome offer — to start betting. And always check your new account for updated sportsbook promos and bonuses.
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