| Earned Run Average |
|
Pl. |
ERA |
Year |
1. | 1.44 (34 ER/213.0 IP) | 1960 |
2. | 1.71 (40 ER/211.0 IP) | 1970 |
3. | 1.82 (40 ER/193.1 IP) | 1968 |
4. | 1.92 (50 ER/234.0 IP) | 1961 |
5. | 1.98 (43 ER/195.0 IP) | 1967 |
6. | 2.16 (51 ER/212.1 IP) | 1972 |
7. | 2.26 (48 ER/191.0 IP) | 1965 |
8. | 2.41 (45 ER/168.0 IP) | 1966 |
9. | 2.48 (57 ER/207.0 IP) | 1971 |
10. | 2.50 (61 ER/220.0 IP) | 1975 | |