P · 7 seasons · 1924 – 1935 · B/T: R/R
Few careers score higher: Leo Mangum sits 1st of 0 pitchers all-time in roto value, built over 7 seasons. No season of his scores higher than 1933, at -0.1, 96th that season and 18700th of 51,303 player-seasons on record.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1924 | CWS | 13 | -2.69 | #785 | #104,533 |
| 1925 | CWS | 7 | -2.36 | #493 | #92,318 |
| 1928 | NY1 | 1 | -2.24 | #467 | #81,133 |
| 1932 | BSN | 7 | -2.15 | #631 | #72,468 |
| 1933 | BSN | 25 | -2.67 | #615 | #104,192 |
| 1934★ | BSN | 29 | -2.03 | #380 | #55,223 |
| 1935 | BSN | 3 | -2.35 | #467 | #91,703 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1924 | CWS | 13 | -4.14 | #350 | #50,111 |
| 1925 | CWS | 7 | -2.75 | #274 | #42,603 |
| 1928 | NY1 | 1 | -2.89 | #280 | #44,157 |
| 1932 | BSN | 7 | -2.26 | #252 | #35,491 |
| 1933★ | BSN | 25 | -0.05 | #96 | #18,700 |
| 1934 | BSN | 29 | -1.65 | #146 | #27,860 |
| 1935 | BSN | 3 | -2.46 | #198 | #38,521 |
★ Best season by Z