P · 16 seasons · 1933 – 1948 · B/T: R/R
Bill Dietrich is 1st of 0 pitchers in career roto value, a top-tier career by any lens the site offers. 1943 was the high-water mark, worth +3.9, 57th that season and 7236th of 51,303 player-seasons on record. Career value accumulated in wins (+7.0) and strikeouts (+4.0), and drained away in ERA (-8.1) and WHIP (-7.9).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1933 | PHA | 8 | -2.17 | #387 | #74,001 |
| 1934 | PHA | 40 | -2.17 | #481 | #74,641 |
| 1935 | PHA | 44 | -3.65 | #691 | #111,163 |
| 1936 | PHA | 40 | -2.37 | #544 | #93,355 |
| 1937 | CWS | 29 | -2.30 | #715 | #87,710 |
| 1938 | CWS | 8 | -2.43 | #749 | #96,537 |
| 1939 | CWS | 25 | -1.93 | #422 | #49,504 |
| 1940★ | CWS | 23 | -1.60 | #342 | #43,273 |
| 1941 | CWS | 19 | -2.62 | #780 | #103,009 |
| 1942 | CWS | 26 | -2.78 | #780 | #106,164 |
| 1943 | CWS | 26 | -1.99 | #477 | #51,768 |
| 1944 | CWS | 36 | -2.61 | #819 | #102,924 |
| 1945 | CWS | 18 | -2.44 | #798 | #97,301 |
| 1946 | CWS | 11 | -2.54 | #911 | #100,779 |
| 1947 | PHA | 11 | -2.41 | #759 | #95,737 |
| 1948 | PHA | 4 | -2.11 | #610 | #65,721 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1933 | PHA | 8 | -3.01 | #220 | #45,295 |
| 1934 | PHA | 39 | 2.60 | #56 | #9,993 |
| 1935 | PHA | 43 | -0.30 | #114 | #19,801 |
| 1936 | CWS | 40 | 0.06 | #101 | #18,203 |
| 1937 | CWS | 29 | -0.14 | #115 | #19,067 |
| 1938 | CWS | 8 | -2.39 | #268 | #37,583 |
| 1939 | CWS | 25 | -0.78 | #143 | #22,124 |
| 1940 | CWS | 23 | 0.91 | #98 | #14,964 |
| 1941 | CWS | 19 | -2.60 | #278 | #40,555 |
| 1942 | CWS | 26 | -3.60 | #305 | #48,831 |
| 1943★ | CWS | 26 | 3.94 | #57 | #7,236 |
| 1944 | CWS | 36 | 2.65 | #64 | #9,876 |
| 1945 | CWS | 18 | -0.20 | #127 | #19,341 |
| 1946 | CWS | 11 | 0.44 | #122 | #16,642 |
| 1947 | PHA | 11 | -0.21 | #132 | #19,353 |
| 1948 | PHA | 4 | -2.54 | #260 | #39,698 |
★ Best season by Z