P · 10 seasons · 1964 – 1974 · B/T: R/R
Few careers score higher: Steve Blass sits 1st of 0 pitchers all-time in roto value, built over 10 seasons. His best year was 1968: +5.3 roto value, 22nd that season and 4986th of 51,303 player-seasons on record. He banked roto value in wins (+8.4) and strikeouts (+4.7) and gave it back in WHIP (-5.3) and ERA (-1.8).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1964 | PIT | 24 | -2.77 | #655 | #105,897 |
| 1966 | PIT | 34 | -1.95 | #312 | #49,825 |
| 1967 | PIT | 32 | -2.38 | #588 | #93,950 |
| 1968 | PIT | 35 | -2.45 | #561 | #97,539 |
| 1969★ | PIT | 44 | -1.24 | #307 | #39,163 |
| 1970 | PIT | 32 | -3.09 | #832 | #109,230 |
| 1971 | PIT | 34 | -3.16 | #810 | #109,680 |
| 1972 | PIT | 35 | -2.32 | #621 | #89,776 |
| 1973 | PIT | 24 | -1.76 | #340 | #45,718 |
| 1974 | PIT | 1 | -2.31 | #691 | #88,409 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1964 | PIT | 24 | -1.73 | #176 | #28,571 |
| 1966 | PIT | 34 | -0.80 | #137 | #22,289 |
| 1967 | PIT | 32 | -1.44 | #161 | #26,217 |
| 1968★ | PIT | 33 | 5.33 | #22 | #4,986 |
| 1969 | PIT | 38 | 0.79 | #104 | #15,359 |
| 1970 | PIT | 31 | 2.50 | #75 | #10,249 |
| 1971 | PIT | 33 | 4.64 | #45 | #6,027 |
| 1972 | PIT | 33 | 4.90 | #36 | #5,617 |
| 1973 | PIT | 23 | -9.53 | #330 | #51,303 |
| 1974 | PIT | 1 | -2.84 | #292 | #43,696 |
★ Best season by Z