Cubs National League ERA Leaders
From Wiklifield
A total of eight Cubs have led the National League in ERA since 1900; they are shown below.
| Name | Year | ERA |
| Hank Borowy | 1945 | 2.13 |
| Bill Lee | 1938 | 2.66 |
| Lon Warneke | 1932 | 2.37 |
| Grover Cleveland Alexander | 1920 | 1.91 |
| Grover Cleveland Alexander | 1919 | 1.72 |
| Hippo Vaughn | 1918 | 1.74 |
| Jack Pfiester | 1907 | 1.15 |
| Mordecai Brown | 1906 | 1.04 |
| Jack Taylor | 1902 | 1.33 |
