Head to head · 2026 pitching
Robby Ahlstrom vs Ron Marinaccio
In 2026 Robby Ahlstrom has been worth 0.5 more wins. Both lines are computed from play-by-play on the same constants, so they are measured the same way rather than quoted from two sources.
| Statistic | Robby Ahlstrom | Ron Marinaccio |
|---|---|---|
| G | 42 | 41 |
| GS | 0 | 0 |
| IP | 37.0 | 57.2 |
| W | 3 | 1 |
| SO | 34 | 48 |
| ERA | 6.08 | 6.09 |
| FIP | 5.18 | 5.69 |
| WHIP | 1.43 | 1.53 |
| K/9 | 8.3 | 7.5 |
| BB/9 | 3.6 | 4.2 |
| FIP− | 124 | 136 |
| WAR | -0.2 | -0.7 |
Career
Totalled over the seasons published here, which is not the same as a whole career: a player who debuted before 2015 begins at 2015, not at his real first game.
| Statistic | Robby Ahlstrom | Ron Marinaccio |
|---|---|---|
| G | 42 | 149 |
| GS | 0 | 0 |
| IP | 37.0 | 183.0 |
| W | 3 | 7 |
| L | 1 | 5 |
| SV | 0 | 2 |
| SO | 34 | 197 |
| BB | 15 | 92 |
| ERA | 6.08 | 3.98 |
| WHIP | 1.43 | 1.28 |
| K/9 | 8.3 | 9.7 |
| BB/9 | 3.6 | 4.5 |
| HR/9 | 1.7 | 1.1 |
| WAR | -0.2 | 0.3 |
More head to heads
The same seasons, measured against somebody else.
Robby Ahlstrom vs
FIP uses the constant solved from this season’s own runs, and FIP− is park-adjusted against the same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page. To put these two beside a third, the comparison page takes up to four.

