Mark Williamson
P · 8 seasons · 1987 – 1994 · B/T: R/R
Few careers score higher: Mark Williamson sits 1st of 0 pitchers all-time in roto value, built over 8 seasons. His best year was 1990: +3.7 roto value, 75th that season and 7777th of 51,303 player-seasons on record. He banked roto value in ERA (+1.0), WHIP (+0.6) and saves (+0.4) and gave it back in strikeouts (-0.5).
Hitting
Best Season
-2.14
1991 · #70,891 all-time
Career Z
-17.7
summed
Avg / Season
-2.21
longevity-neutral
Seasons
8
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1987 | BAL | 61 | -2.28 | #490 | #85,085 |
| 1988 | BAL | 37 | -2.22 | #479 | #78,842 |
| 1989 | BAL | 65 | -2.25 | #520 | #82,600 |
| 1990 | BAL | 49 | -2.19 | #504 | #76,022 |
| 1991★ | BAL | 65 | -2.14 | #497 | #70,891 |
| 1992 | BAL | 12 | -2.19 | #525 | #76,385 |
| 1993 | BAL | 48 | -2.18 | #553 | #74,976 |
| 1994 | BAL | 28 | -2.25 | #508 | #82,292 |
★ Best season by Z
Pitching
Best Season
3.66
1990 · #7,777 all-time
Career Z
3.6
summed
Avg / Season
0.45
longevity-neutral
Seasons
8
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1987 | BAL | 61 | 1.95 | #113 | #11,727 |
| 1988 | BAL | 37 | -1.79 | #239 | #29,177 |
| 1989 | BAL | 65 | 3.29 | #82 | #8,476 |
| 1990★ | BAL | 49 | 3.66 | #75 | #7,777 |
| 1991 | BAL | 65 | -0.90 | #214 | #22,811 |
| 1992 | BAL | 12 | -1.57 | #248 | #27,164 |
| 1993 | BAL | 48 | -1.05 | #246 | #23,691 |
| 1994 | BAL | 28 | -0.01 | #175 | #18,524 |
★ Best season by Z