P · 13 seasons · 1937 – 1952 · B/T: R/L
Few careers score higher: Ken Heintzelman sits 1st of 0 pitchers all-time in roto value, built over 13 seasons. No season of his scores higher than 1949, at +5.7, 21st that season and 4442nd of 51,303 player-seasons on record. On the credit side, wins (+3.3), strikeouts (+3.1) and ERA (+0.5). On the debit side, WHIP (-2.5).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1937 | PIT | 1 | -2.14 | #602 | #70,353 |
| 1938 | PIT | 1 | -2.09 | #517 | #63,678 |
| 1939★ | PIT | 17 | -2.08 | #489 | #62,500 |
| 1940 | PIT | 41 | -2.65 | #789 | #103,796 |
| 1941 | PIT | 35 | -2.65 | #783 | #103,704 |
| 1942 | PIT | 27 | -2.70 | #770 | #104,764 |
| 1946 | PIT | 32 | -2.39 | #885 | #94,496 |
| 1947 | PHI | 26 | -2.61 | #797 | #102,866 |
| 1948 | PHI | 27 | -2.52 | #795 | #100,261 |
| 1949 | PHI | 33 | -3.06 | #513 | #108,996 |
| 1950 | PHI | 23 | -3.15 | #519 | #109,604 |
| 1951 | PHI | 35 | -2.73 | #501 | #105,330 |
| 1952 | PHI | 23 | -2.36 | #395 | #92,338 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1937 | PIT | 1 | -1.51 | #161 | #26,726 |
| 1938 | PIT | 1 | -2.25 | #251 | #35,373 |
| 1939 | PIT | 17 | -1.69 | #176 | #28,242 |
| 1940 | PIT | 39 | 1.68 | #80 | #12,502 |
| 1941 | PIT | 35 | 2.52 | #71 | #10,188 |
| 1942 | PIT | 27 | -2.58 | #246 | #40,290 |
| 1946 | PIT | 32 | -0.37 | #148 | #20,133 |
| 1947 | PHI | 26 | 0.23 | #113 | #17,438 |
| 1948 | PHI | 27 | 2.63 | #70 | #9,932 |
| 1949★ | PHI | 33 | 5.73 | #21 | #4,442 |
| 1950 | PHI | 23 | -0.27 | #86 | #19,651 |
| 1951 | PHI | 35 | 0.36 | #81 | #16,940 |
| 1952 | PHI | 23 | -0.98 | #111 | #23,306 |
★ Best season by Z