Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Dutch Leonard | Stat | Mike Mussina |
|---|---|---|
| 20 | Seasons | 18 |
| 124.4 | Career VAL | 143.2 |
| 12.8 (1934) | Peak-season VAL | 12.7 (2001) |
| — | Hall of Fame | Inducted 2019 |
| 5× | All-Star Selections | 5× |
| — | Gold Gloves | 7× |
| 0 | Black ink (league-leading seasons) | 0 |
| 2 | Gray ink (top-10 finishes) | 12 |
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.
| Dutch Leonard | Stat | Mike Mussina |
|---|---|---|
| Career | ||
| 640 | Games | 537 |
| Batting | ||
| 177 | Hits | 9 |
| 69 | RBI | 5 |
| 53 | Runs | 3 |
| 1 | Stolen bases | 0 |
| 20 | Walks | 1 |
| .168 | ||
| Batting avg |
|---|
| .173 |
| .185 | On-base % | .189 |
|---|
| .193 | Slugging % | .192 |
|---|
| 4 | OPS+ | 0 |
|---|
| Pitching | ||
|---|---|---|
| 191 | Wins | 270 |
| 181 | Losses | 153 |
| 44 | Saves | 0 |
| 3218.1 | Innings pitched | 3562.2 |
| 1,170 | Strikeouts (pitching) | 2,813 |
| 3.27 | ERA | 3.68 |
| 1.26 | WHIP | 1.19 |
| 120 | ERA+ | 124 |
| Age | Dutch Leonard | Mike Mussina |
|---|---|---|
| 22 | — | 3.7 |
| 23 | — | 10.9 |
| 24 | 2.6 | 3.3 |
| 25 | 12.8 | 8.4 |
| 26 | 7.6 | 10.1 |
| 27 | — | 5.4 |
| 28 | — | 8.8 |
| 29 | 9.6 | 9.5 |
| 30 | 7.9 | 10.4 |
| 31 | 7.3 | 11.5 |
| 32 | 7.9 | 12.7 |
| 33 | 1.2 | 6.7 |
| 34 | 6.3 | 10.2 |
| 35 | 8.1 | 4.1 |
| 36 | 10.4 | 3.4 |
| 37 | 2.6 | 9.9 |
| 38 | 9.4 | 4.1 |
| 39 | 9.9 | 10.1 |
| 40 | 6 | — |
| 41 | 4.2 | — |
| 42 | 5.6 | — |
| 43 | 3.7 | — |
| 44 | 1.3 | — |