Mark Williamson
1987–1994 · bats R / throws R · Baltimore Orioles
365G
–AVG
–OBP
–SLG
More career statistics
0H
0HR
0RBI
0SB
46–35W–L
689.2IP
397K
3.86ERA
15GS
21SV
2Rare feats
Career summary: MLB’s official regular-season totals. Season lines, splits and historical game logs below are reconstructed from the covered Retrosheet records and can differ in coverage or scorer revisions. Compare sources and coverage.
Career batting
| G | PA | AB | R | H | 2B | 3B | HR | RBI | BB | K | SB | CS | HBP | SF | TB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 365 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | – | – |
Career pitching
| IP | G | GS | CG | W | L | SV | H | R | ER | HR | BB | K | HBP | WP | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 689.7 | 365 | 15 | 2 | 46 | 35 | 21 | 701 | 321 | 296 | 62 | 226 | 397 | 0 | 0 | 3.86 | 1.344 |
The three rarest things in this career
| Rarity | What | Date | Rate | Game |
|---|---|---|---|---|
| 58 | Two Balks | 1988-04-23 | 1 in 551 games | box score ↗ |
| 42 | Four Runs, No Outs | 1991-05-08 | 1 in 121 games | box score ↗ |
| 19 | 12 hits allowed | 1988-05-11 | 1 in 76 pitcher-games | box score ↗ |
Season by season
| Year | Team | G | AB | H | HR | RBI | SB | AVG | IP | K |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987 |  Baltimore Orioles | 61 | – | – | – | – | – | – | 125 | 73 |
| 1988 | Baltimore Orioles | 37 | – | – | – | – | – | – | 117 | 69 |
| 1989 | Baltimore Orioles | 65 | – | – | – | – | – | – | 107 | 55 |
| 1990 | Baltimore Orioles | 49 | – | – | – | – | – | – | 85 | 60 |
| 1991 | Baltimore Orioles | 65 | – | – | – | – | – | – | 80 | 53 |
| 1992 | Baltimore Orioles | 12 | – | – | – | – | – | – | 18 | 14 |
| 1993 | Baltimore Orioles | 48 | – | – | – | – | – | – | 88 | 45 |
| 1994 | Baltimore Orioles | 28 | – | – | – | – | – | – | 67 | 28 |