Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Frank Mountain | Stat | Luis Arroyo |
|---|---|---|
| 7 | Seasons | 8 |
| 12.1 | Career VAL | 13.2 |
| 9.6 (1884) | Peak-season VAL | 8.0 (1961) |
| — | All-Star Selections | 2× |
| — | Black ink (league-leading seasons) | 1 |
| — | 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.
| Frank Mountain | Stat | Luis Arroyo |
|---|---|---|
| Career | ||
| 194 | Games | 246 |
| Batting | ||
| 158 | Hits | 29 |
| 9 | Home runs | 1 |
| 13 | RBI | 8 |
| 84 | Runs | 5 |
| 3 | Stolen bases | 0 |
| 39 | ||
| Walks |
|---|
| 2 |
| .220 | Batting avg | .227 |
|---|
| .265 | On-base % | .237 |
|---|
| .333 | Slugging % | .266 |
|---|
| 95 | OPS+ | 40 |
|---|
| Pitching | ||
|---|---|---|
| 58 | Wins | 40 |
| 83 | Losses | 32 |
| 1 | Saves | 44 |
| 1215.2 | Innings pitched | 531.1 |
| 383 | Strikeouts (pitching) | 336 |
| 3.47 | ERA | 3.93 |
| 1.30 | WHIP | 1.38 |
| 88 | ERA+ | 100 |
| Age | Frank Mountain | Luis Arroyo |
|---|---|---|
| 21 | 0 | — |
| 22 | 0 | — |
| 23 | 2.5 | — |
| 24 | 9.6 | — |
| 25 | 0 | — |
| 28 | — | 1.3 |
| 30 | — | 2.2 |
| 33 | — | 1.6 |
| 34 | — | 8 |
| 35 | — | 0.1 |