P · 11 seasons · 1986 – 1997 · B/T: L/L
Few careers score higher: Mitch Williams sits 1st of 0 pitchers all-time in roto value, built over 11 seasons. 1991 was the high-water mark, worth +7.7, 24th that season and 2450th of 51,303 player-seasons on record. On the credit side, saves (+24.1), ERA (+2.3) and strikeouts (+1.5). On the debit side, WHIP (-8.1).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1986 | TEX | 80 | -2.31 | #503 | #89,072 |
| 1987 | TEX | 85 | -2.28 | #490 | #85,085 |
| 1988 | TEX | 67 | -2.22 | #479 | #78,842 |
| 1989★ | CHC | 76 | -1.96 | #423 | #50,354 |
| 1990 | CHC | 59 | -2.32 | #883 | #89,945 |
| 1991 | PHI | 69 | -2.18 | #793 | #74,732 |
| 1992 | PHI | 66 | -2.19 | #783 | #76,853 |
| 1993 | PHI | 65 | -2.05 | #495 | #57,767 |
| 1994 | HOU | 25 | -2.25 | #508 | #82,292 |
| 1995 | CAL | 20 | -2.13 | #547 | #69,853 |
| 1997 | KC | 7 | -2.16 | #573 | #73,606 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1986 | TEX | 80 | 1.70 | #103 | #12,472 |
| 1987 | TEX | 85 | 3.46 | #71 | #8,165 |
| 1988 | TEX | 67 | 0.98 | #132 | #14,722 |
| 1989 | CHC | 76 | 5.04 | #55 | #5,409 |
| 1990 | CHC | 59 | 0.15 | #169 | #17,773 |
| 1991★ | PHI | 69 | 7.74 | #24 | #2,450 |
| 1992 | PHI | 66 | 2.69 | #84 | #9,790 |
| 1993 | PHI | 65 | 4.91 | #55 | #5,600 |
| 1994 | HOU | 25 | -1.97 | #295 | #31,294 |
| 1995 | CAL | 20 | -3.10 | #500 | #46,011 |
| 1997 | KC | 7 | -2.91 | #461 | #44,319 |
★ Best season by Z