Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Len Barker | Stat | Jack Aker |
|---|---|---|
| 11 | Seasons | 11 |
| 21.2 | Career VAL | 21.3 |
| 6.8 (1982) | Peak-season VAL | 6.6 (1966) |
| 1× | All-Star Selections | — |
| 0 | Black ink (league-leading seasons) | 1 |
| 4 | Gray ink (top-10 finishes) | 2 |
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.
| Len Barker | Stat | Jack Aker |
|---|---|---|
| Career | ||
| 248 | Games | 496 |
| Batting | ||
| 3 | Hits | 7 |
| 1 | RBI | 4 |
| 3 | Runs | 3 |
| 6 | Walks | 1 |
| .048 | Batting avg | .076 |
| .130 | ||
| On-base % |
|---|
| .096 |
| .063 | Slugging % | .098 |
|---|
| -45 | OPS+ | -46 |
|---|
| Pitching | ||
|---|---|---|
| 74 | Wins | 47 |
| 76 | Losses | 45 |
| 5 | Saves | 123 |
| 1323.2 | Innings pitched | 746.0 |
| 975 | Strikeouts (pitching) | 404 |
| 4.34 | ERA | 3.28 |
| 1.36 | WHIP | 1.28 |
| 98 | ERA+ | 107 |
| Age | Len Barker | Jack Aker |
|---|---|---|
| 21 | 2 | — |
| 22 | 0 | — |
| 23 | 0.7 | — |
| 24 | 4.2 | 1.7 |
| 25 | 3.1 | 6.6 |
| 26 | 6.8 | 0.1 |
| 27 | 1.4 | 0 |
| 28 | 3 | 2.5 |
| 29 | 0 | 4.6 |
| 30 | — | 1.6 |
| 31 | 0 | 2.3 |
| 32 | — | 0.8 |
| 33 | — | 1.1 |