P · 3 seasons · 1904 – 1907 · B/T: R/R
Few careers score higher: Del Mason sits 1st of 0 pitchers all-time in roto value, built over 3 seasons. 1906 was the high-water mark, worth -2.5, 137th that season and 39748th of 51,303 player-seasons on record.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1904 | WS1 | 5 | -3.32 | #364 | #110,342 |
| 1906 | CIN | 2 | -2.65 | #423 | #103,851 |
| 1907★ | CIN | 25 | -2.64 | #398 | #103,500 |
★ Best season by Z
★ Best season by Z