P · 12 seasons · 1937 – 1951 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1937 | SLA | 1 | -2.09 | #524 | #63,191 |
| 1939 | SLA | 2 | -2.13 | #520 | #69,455 |
| 1941 | SLA | 36 | -1.81 | #391 | #46,671 |
| 1942 | SLA | 24 | -2.77 | #778 | #105,971 |
| 1943 | SLA | 35 | -2.64 | #799 | #103,603 |
| 1944★ | SLA | 33 | -1.39 | #317 | #40,674 |
| 1945 | SLA | 28 | -3.13 | #860 | #109,404 |
| 1946 | SLA | 29 | -2.95 | #941 | #108,088 |
| 1947 | SLA | 31 | -3.00 | #835 | #108,558 |
| 1948 | CLE | 21 | -2.39 | #758 | #94,278 |
| 1949 | CHC | 47 | -2.34 | #331 | #91,299 |
| 1951 | NYY | 2 | -2.33 | #341 | #91,012 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1937 | SLA | 1 | -2.28 | #246 | #35,752 |
| 1939 | SLA | 2 | -2.64 | #279 | #41,100 |
| 1941 | SLA | 36 | 4.98 | #34 | #5,485 |
| 1942 | SLA | 24 | -0.31 | #130 | #19,844 |
| 1943 | SLA | 35 | 5.56 | #38 | #4,659 |
| 1944★ | SLA | 33 | 6.38 | #31 | #3,720 |
| 1945 | SLA | 27 | 5.70 | #30 | #4,484 |
| 1946 | SLA | 29 | -3.10 | #365 | #45,907 |
| 1947 | SLA | 31 | -0.70 | #146 | #21,688 |
| 1948 | CLE | 21 | -0.56 | #139 | #20,977 |
| 1949 | CHC | 47 | 0.53 | #71 | #16,283 |
| 1951 | NYY | 2 | -2.88 | #165 | #43,973 |
★ Best season by Z