How Big Is Home Field Advantage in MLB?

Byprocomputergambler Hours Published on Hours Last Updated on

Home field advantage exists in every major sport, but its impact varies widely.

To measure its effect in baseball, we analyzed all games played in Major League Baseball since 2004.

Home Team Results

SU: 28,307 – 24,374
Win Rate: 53.7%
ROI: -2.0%
Profit/Loss: -$146,210

Home teams win 53.7% of MLB games, showing a modest but consistent advantage.

Road Team Results

SU: 24,374 – 28,307
Win Rate: 46.3%
ROI: -2.7%

Road teams win 46.3% of games, slightly below the break-even threshold.

What This Means

While home teams do have a measurable edge, sportsbooks account for this when setting moneyline prices.

As a result, betting home teams blindly does not produce profitable results.

Key Takeaways

• Home teams win 53.7% of MLB games
• Road teams win 46.3% of games
• The home advantage exists but is relatively modest

Compared with other sports leagues, baseball’s home field advantage is smaller but still statistically significant.

Tom H is the founder and lead analyst of ProComputerGambler.com, a long-running platform dedicated to data-driven sports betting insights. With more than a decade of experience building statistical models, tracking market behavior, and developing proprietary betting systems, Tom has established a reputation for disciplined analytics and transparent performance tracking. He combines rigorous data collection with practical wagering strategies to deliver actionable selections, system reports, and game projections to subscribers. His work emphasizes accuracy, verification, and long-term profitability grounded in advanced quantitative methods.

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