Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Chad Qualls | Stat | Don Aase |
|---|---|---|
| 14 | Seasons | 13 |
| 24.0 | Career VAL | 19.1 |
| 4.3 (2008) | Peak-season VAL | 4.5 (1977) |
| — | All-Star Selections | 1× |
| — | Black ink (league-leading seasons) | 0 |
| — | Gray ink (top-10 finishes) | 1 |
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.
| Chad Qualls | Stat | Don Aase |
|---|---|---|
| Career | ||
| 844 | Games | 448 |
| Batting | ||
| -100 | OPS+ | -100 |
| Pitching | ||
| 52 | Wins | 66 |
| 48 | Losses | 60 |
| 74 | Saves | 82 |
| 807.1 | Innings pitched | 1109.1 |
| 624 | Strikeouts (pitching) | 641 |
|---|
| 3.89 | ERA | 3.80 |
|---|
| 1.28 | WHIP | 1.39 |
|---|
| 107 | ERA+ | 103 |
|---|
| Age | Chad Qualls | Don Aase |
|---|---|---|
| 22 | — | 4.5 |
| 23 | — | 0.8 |
| 24 | — | 0.4 |
| 25 | 1.3 | 2.5 |
| 26 | 3.2 | 2.3 |
| 27 | 3.4 | 0.6 |
| 28 | 2.6 | — |
| 29 | 4.3 | 1.9 |
| 30 | 2.3 | 2.3 |
| 31 | 0 | 3.3 |
| 32 | 2 | — |
| 33 | 0 | 0 |
| 34 | 2.2 | 0.5 |
| 35 | 1.6 | 0 |
| 36 | 1.1 | — |
| 37 | 0 | — |