P · 10 seasons · 1983 – 1992 · B/T: R/R
Jim Acker is 1st of 0 pitchers in career roto value, a top-tier career by any lens the site offers. The peak came in 1989, +3.3, 83rd that season and 8493rd of 51,303 player-seasons on record. The value came from saves (+1.3). It leaked back out through WHIP (-1.6), strikeouts (-1.4) and ERA (-0.7).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1983 | TOR | 38 | -2.26 | #494 | #83,824 |
| 1984 | TOR | 32 | -2.28 | #520 | #85,750 |
| 1985 | TOR | 61 | -2.24 | #482 | #81,373 |
| 1986 | TOR | 44 | -2.79 | #918 | #106,326 |
| 1987 | ATL | 68 | -2.29 | #729 | #87,118 |
| 1988★ | ATL | 21 | -2.12 | #450 | #68,068 |
| 1989 | ATL | 73 | -2.35 | #848 | #91,915 |
| 1990 | TOR | 59 | -2.19 | #504 | #76,022 |
| 1991 | TOR | 54 | -2.14 | #497 | #70,891 |
| 1992 | SEA | 17 | -2.19 | #525 | #76,385 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1983 | TOR | 38 | -1.55 | #221 | #26,988 |
| 1984 | TOR | 32 | -2.00 | #237 | #31,679 |
| 1985 | TOR | 61 | 1.26 | #115 | #13,807 |
| 1986 | ATL | 44 | -0.31 | #174 | #19,876 |
| 1987 | ATL | 68 | 2.15 | #105 | #11,140 |
| 1988 | ATL | 21 | -2.50 | #331 | #39,112 |
| 1989★ | ATL | 73 | 3.28 | #83 | #8,493 |
| 1990 | TOR | 59 | -0.70 | #206 | #21,739 |
| 1991 | TOR | 54 | -1.55 | #257 | #27,057 |
| 1992 | SEA | 17 | -3.58 | #410 | #48,750 |
★ Best season by Z