Regular-season careers from the StatVault encyclopedia — the same tables as each player's profile.
| Jeremy Affeldt | Stat | Mark Guthrie |
|---|---|---|
| 14 | Seasons | 15 |
| 22.0 | Career VAL | 21.1 |
| 4.2 (2003) | Peak-season VAL | 5.0 (1996) |
VAL is Value Above League — regular-season production measured against the league at the same position group (MLB VAL board).
| Jeremy Affeldt | Stat | Mark Guthrie |
|---|---|---|
| Career | ||
| 774 | Games | 766 |
| Batting | ||
| 3 | Hits | 1 |
| 2 | RBI | 0 |
| 2 | Walks | 0 |
| .176 | Batting avg | .071 |
| .263 | On-base % | .071 |
| .176 | ||
| Slugging % |
|---|
| .071 |
| 16 | OPS+ | -61 |
|---|
| Pitching | ||
|---|---|---|
| 43 | Wins | 51 |
| 46 | Losses | 54 |
| 28 | Saves | 14 |
| 926.0 | Innings pitched | 978.2 |
| 720 | Strikeouts (pitching) | 778 |
| 3.97 | ERA | 4.05 |
| 1.40 | WHIP | 1.40 |
| 108 | ERA+ | 105 |
| Age | Jeremy Affeldt | Mark Guthrie |
|---|---|---|
| 23 | 0.5 | 0 |
| 24 | 4.2 | 4.2 |
| 25 | 1.1 | 0.1 |
| 26 | 0.1 | 2.3 |
| 27 | 0 | — |
| 28 | 1.7 | 0 |
| 29 | 2.4 | 1.5 |
| 30 | 3.4 | 5 |
| 31 | 0.5 | 0.3 |
| 32 | 2 | 1.6 |
| 33 | 2.7 | 0.6 |
| 34 | 0.5 | 1.4 |
| 35 | 2.9 | 0.7 |
| 36 | 0 | 2.4 |
| 37 | — | 1 |