Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Jack Aker | Stat | Matt Herges |
|---|---|---|
| 11 | Seasons | 11 |
| 21.3 | Career VAL | 19.6 |
| 6.6 (1966) | Peak-season VAL | 6.1 (2000) |
| 1 | Black ink (league-leading seasons) | — |
| 2 | Gray ink (top-10 finishes) | — |
VAL is Value Above League — regular-season production measured against the league at the same position group (MLB VAL board). Black and gray ink count seasons from 1950 on.
| Jack Aker | Stat | Matt Herges |
|---|---|---|
| Career | ||
| 496 | Games | 567 |
| Batting | ||
| 7 | Hits | 6 |
| 4 | RBI | 1 |
| 3 | Runs | 0 |
| 1 | Walks | 1 |
| .076 | Batting avg | .167 |
| .096 | On-base % | |
| .189 |
| .098 | Slugging % | .167 |
|---|
| -46 | OPS+ | -6 |
|---|
| Pitching | ||
|---|---|---|
| 47 | Wins | 43 |
| 45 | Losses | 35 |
| 123 | Saves | 34 |
| 746.0 | Innings pitched | 691.0 |
| 404 | Strikeouts (pitching) | 473 |
| 3.28 | ERA | 3.91 |
| 1.28 | WHIP | 1.44 |
| 107 | ERA+ | 113 |
| Age | Jack Aker | Matt Herges |
|---|---|---|
| 24 | 1.7 | — |
| 25 | 6.6 | — |
| 26 | 0.1 | — |
| 27 | 0 | — |
| 28 | 2.5 | — |
| 29 | 4.6 | — |
| 30 | 1.6 | 6.1 |
| 31 | 2.3 | 2.6 |
| 32 | 0.8 | 0.2 |
| 33 | 1.1 | 4.2 |
| 34 | — | 0.3 |
| 36 | — | 1.7 |
| 37 | — | 2.5 |
| 38 | — | 0.9 |
| 39 | — | 1.1 |