Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Antonio Alfonseca | Stat | Juan Agosto |
|---|---|---|
| 11 | Seasons | 13 |
| 14.3 | Career VAL | 14.4 |
| 4.0 (1999) | Peak-season VAL | 4.3 (1988) |
| 1 | Black ink (league-leading seasons) | — |
| 1 | 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.
| Antonio Alfonseca | Stat | Juan Agosto |
|---|---|---|
| Career | ||
| 592 | Games | 543 |
| Batting | ||
| 2 | Hits | 2 |
| 2 | RBI | 0 |
| 0 | Walks | 1 |
| .143 | Batting avg | .100 |
| .143 | On-base % | .143 |
| .143 | ||
| Slugging % |
|---|
| .100 |
| -22 | OPS+ | -35 |
|---|
| Pitching | ||
|---|---|---|
| 35 | Wins | 40 |
| 37 | Losses | 33 |
| 129 | Saves | 29 |
| 613.0 | Innings pitched | 626.1 |
| 400 | Strikeouts (pitching) | 307 |
| 4.11 | ERA | 4.01 |
| 1.51 | WHIP | 1.42 |
| 106 | ERA+ | 97 |
| Age | Antonio Alfonseca | Juan Agosto |
|---|---|---|
| 25 | — | 1.3 |
| 26 | 0.6 | 1 |
| 27 | 4 | 2.4 |
| 28 | 2.2 | — |
| 29 | 2.3 | — |
| 30 | 1.6 | 4.3 |
| 31 | 0.1 | 2.5 |
| 32 | 3.5 | 1.9 |
| 33 | — | 1 |
| 34 | — | 0 |
| 35 | 0 | — |