Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Jack O'Connor | Stat | Tim Birtsas |
|---|---|---|
| 6 | Seasons | 5 |
| 1.9 | Career VAL | 1.8 |
| 1.2 (1982) | Peak-season VAL | 1.0 (1989) |
VAL is Value Above League — regular-season production measured against the league at the same position group (MLB VAL board).
| Jack O'Connor | Stat | Tim Birtsas |
|---|---|---|
| Career | ||
| 129 | Games | 138 |
| Batting | ||
| 0 | Hits | 1 |
| 0 | Home runs | 1 |
| 0 | RBI | 1 |
| 0 | Runs | 1 |
| .000 | Batting avg | .056 |
| .000 | ||
| On-base % |
|---|
| .056 |
| .000 | Slugging % | .222 |
|---|
| Pitching | ||
|---|---|---|
| 14 | Wins | 14 |
| 17 | Losses | 14 |
| 2 | Saves | 1 |
| 318.2 | Innings pitched | 328.2 |
| 177 | Strikeouts (pitching) | 231 |
| 4.91 | ERA | 4.08 |
| 1.59 | WHIP | 1.50 |
| 80 | ERA+ | 94 |
| Age | Jack O'Connor | Tim Birtsas |
|---|---|---|
| 23 | 0 | — |
| 24 | 1.2 | 0 |
| 25 | 0 | — |
| 27 | — | 0.8 |
| 28 | — | 1 |
| 29 | 0.7 | 0 |