Ballpark Factors:
1920 Major League1920 American League 1920 National League
American League
| Ballpark Factors by Ballpark |
|
|
Relative Factor (100=avg, higher is better for hitting) |
| City |
Ballpark |
Runs |
OBP |
SLG |
D |
T |
HR |
DP |
| Boston | Fenway Park | 94.4 | 98.7 | 99.1 | 107.7 | 100.1 | 87.4 | 107.4 |
| Chicago | Comiskey Park | 93.6 | 98.1 | 97.8 | 95.3 | 106.4 | 90.9 | 101.3 |
| Cleveland | League Park IV | 102.1 | 101.9 | 100.9 | 103.3 | 91.2 | 94.1 | 98.9 |
| Detroit | Tiger Stadium | 105.5 | 102.6 | 103.3 | 110.0 | 104.2 | 97.8 | 99.7 |
| New York | Polo Grounds V | 96.1 | 95.5 | 97.0 | 95.8 | 100.4 | 114.2 | 105.1 |
| Philadelphia | Connie Mack Stadium | 94.7 | 97.7 | 96.7 | 86.2 | 87.9 | 113.7 | 99.8 |
| St. Louis | Sportsman's Park III | 110.1 | 102.7 | 103.2 | 99.4 | 103.4 | 115.6 | 98.7 |
| Washington | Griffith Stadium | 103.1 | 102.7 | 101.8 | 102.1 | 106.5 | 85.8 | 89.1 |
| Average Ballpark Factors by Team |
|
|
Relative Factor (100=avg, higher is better for hitting) |
| Team |
Runs |
OBP |
SLG |
D |
T |
HR |
DP |
National League
| Ballpark Factors by Ballpark |
|
|
Relative Factor (100=avg, higher is better for hitting) |
| City |
Ballpark |
Runs |
OBP |
SLG |
D |
T |
HR |
DP |
| Boston | Braves Field | 99.1 | 99.7 | 98.8 | 82.5 | 123.6 | 78.5 | 94.0 |
| Brooklyn | Ebbetts Field | 114.5 | 104.9 | 106.6 | 99.7 | 129.4 | 116.5 | 99.5 |
| Chicago | Wrigley Field | 93.4 | 97.5 | 95.8 | 101.2 | 67.2 | 102.8 | 95.7 |
| Cincinnati | Crosley Field | 84.2 | 95.6 | 94.0 | 85.9 | 114.7 | 49.3 | 108.2 |
| New York | Polo Grounds V | 93.9 | 97.3 | 98.0 | 95.7 | 79.0 | 152.0 | 109.7 |
| Philadelphia | Baker Bowl | 116.5 | 105.0 | 107.1 | 136.8 | 58.4 | 158.6 | 110.7 |
| Pittsburgh | Forbes Field | 101.3 | 101.7 | 101.7 | 96.1 | 128.1 | 69.8 | 95.0 |
| St. Louis | Robison Field | 96.4 | 98.8 | 98.6 | 90.2 | 124.5 | 71.0 | 87.4 |
| St. Louis | Sportsman's Park III | 97.5 | 98.2 | 97.2 | 108.8 | 85.8 | 68.4 | 86.0 |
| Average Ballpark Factors by Team |
|
|
Relative Factor (100=avg, higher is better for hitting) |
| Team |
Runs |
OBP |
SLG |
D |
T |
HR |
DP |