Busch Stadium, home of the St. Louis Cardinals, has been the worst MLB ballpark for home runs.
Baseball Savant’s Home Run Park Factor helps quantify which MLB ballparks are most difficult for home runs. The Cardinals have a Home Run Park Factor of 77 between 2024 and 2026, meaning the park is 23% less homer-friendly than the league average.
When assessing MLB odds during the regular season, it’s important to remember how different each ballpark is in the majors.
Ranking the Worst MLB Ballparks for Home Runs
| MLB Ballpark | Team | HR Park Factor |
|---|---|---|
| Busch Stadium | Cardinals | 77 |
| Oracle Park | Giants | 78 |
| PNC Park | Pirates | 84 |
| Fenway Park | Red Sox | 85 |
| Kauffman Stadium | Royals | 85 |
| loanDepot Park | Marlins | 87 |
| Chase Field | Diamondbacks | 92 |
| Progressive Field | Guardians | 92 |
| Globe Life Field | Rangers | 94 |
| Rate Field | White Sox | 95 |
Worst MLB Ballpark for Left-Handed Home Runs
The San Francisco Giants’ Oracle Park is the worst MLB stadium for left-handed hitters to hit a home run. Per Baseball Savant, their venue has a Home Run Park Factor of 72 for lefties over the past three seasons.
Worst MLB Ballpark for Right-Handed Home Runs
The Pittsburgh Pirates’ PNC Park is the worst MLB stadium for right-handed hitters to hit a home run. Their park has a Home Run Park factor of 72 for righties over the last three years.
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