P · 11 seasons · 1971 – 1982 · B/T: L/L
Ross Grimsley is the extreme version of a specialist. +10.8 of roto value came from wins, yet his career total is only +8.6. No season of his scores higher than 1974, at +7.9, 15th that season and 2306th of 51,303 player-seasons on record. Career value accumulated in wins (+10.8), WHIP (+2.7) and strikeouts (+1.9), and drained away in ERA (-2.6).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1971 | CIN | 26 | -2.86 | #781 | #107,123 |
| 1972 | CIN | 30 | -2.88 | #791 | #107,418 |
| 1973 | CIN | 39 | -4.04 | #819 | #111,383 |
| 1974 | BAL | 40 | -2.25 | #476 | #81,812 |
| 1975 | BAL | 35 | -2.32 | #470 | #89,527 |
| 1976 | BAL | 28 | -2.33 | #467 | #90,267 |
| 1977 | BAL | 34 | -2.33 | #487 | #90,477 |
| 1978 | MON | 36 | -3.30 | #892 | #110,282 |
| 1979 | MON | 32 | -2.33 | #704 | #90,778 |
| 1980 | CLE | 25 | -2.30 | #716 | #87,863 |
| 1982★ | BAL | 21 | -2.23 | #491 | #80,431 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1971 | CIN | 26 | 0.92 | #103 | #14,912 |
| 1972 | CIN | 30 | 2.18 | #78 | #11,085 |
| 1973 | CIN | 38 | 3.12 | #69 | #8,830 |
| 1974★ | BAL | 40 | 7.93 | #15 | #2,306 |
| 1975 | BAL | 35 | 0.74 | #108 | #15,546 |
| 1976 | BAL | 28 | -0.97 | #154 | #23,251 |
| 1977 | BAL | 34 | 0.88 | #120 | #15,056 |
| 1978 | MON | 36 | 6.65 | #25 | #3,434 |
| 1979 | MON | 32 | -3.41 | #360 | #47,956 |
| 1980 | CLE | 25 | -6.15 | #377 | #51,236 |
| 1982 | BAL | 21 | -3.30 | #334 | #47,341 |
★ Best season by Z