MLBRP · Pittsburgh Pirates · last game Sep 5
Isaac Mattson
Season by Season
regular season and playoffs| Season | Team | G | GS | W | L | SV | IP | ERA | K | BB |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | PIT | 38 | 0 | 0 | 0 | 0 | 38.2 | 5.35 | 36 | 18 |
| 2025 | PIT | 44 | 0 | 3 | 3 | 0 | 47.2 | 2.45 | 45 | 19 |
| 2024 | PIT | 3 | 0 | None | None | None | 5.1 | 5.06 | 6 | 5 |
| 2021 | BAL | 4 | 0 | None | None | None | 4.1 | 6.23 | 3 | 5 |
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Game Log
2026 season · 38 games| Date | Opponent | Result | DEC | IP | H | ER | BB | K |
|---|---|---|---|---|---|---|---|---|
| Sep 5 | vs LAA | L 1–6 | 2.0 | 4 | 3 | 0 | 2 | |
| Aug 17 | vs DET | L 5–8 | 2.0 | 2 | 1 | 2 | 1 | |
| Jul 28 | vs ARI | L 7–8 | 1.2 | 3 | 1 | 1 | 3 | |
| Jul 25 | vs CHC | L 0–11 | 0.1 | 4 | 3 | 1 | 1 | |
| Jul 19 | at CLE | W 7–1 | 1.0 | 0 | 0 | 0 | 1 | |
| Jul 18 | at CLE | W 7–1 | 1.0 | 1 | 0 | 0 | 2 | |
| Jul 12 | vs MIL | W 14–5 | 0.2 | 1 | 0 | 1 | 1 | |
| Jul 11 | vs MIL | W 3–2 | H | 1.0 | 1 | 0 | 0 | 0 |
| Jul 8 | vs ATL | L 0–3 | 1.0 | 2 | 1 | 0 | 1 | |
| Jul 5 | at WSH | W 11–5 | 1.0 | 2 | 0 | 0 | 1 | |
| Jul 3 | at WSH | L 5–9 | 1.1 | 3 | 4 | 1 | 1 | |
| Jun 30 | at PHI | L 0–8 | 0.2 | 1 | 0 | 0 | 0 | |
| Jun 27 | vs CIN | L 7–9 | 1.0 | 0 | 0 | 0 | 2 | |
| Jun 26 | vs CIN | L 4–6 | 1.0 | 0 | 0 | 0 | 1 | |
| Jun 23 | vs SEA | L 2–3 | 1.0 | 0 | 0 | 0 | 1 | |
| Jun 17 | at ATH | W 12–4 | 1.0 | 1 | 1 | 0 | 2 | |
| Jun 14 | vs MIA | L 2–4 | 1.1 | 0 | 0 | 2 | 1 | |
| May 17 | vs PHI | L 0–6 | 1.0 | 1 | 0 | 0 | 0 | |
| May 16 | vs PHI | L 0–6 | 1.1 | 0 | 0 | 1 | 2 | |
| May 10 | at SF | L 6–7 | B | 0.1 | 3 | 2 | 0 | 0 |
| May 7 | at ARI | W 4–2 | H | 0.1 | 0 | 0 | 0 | 1 |
| Apr 30 | vs STL | L 5–10 | 0.2 | 3 | 5 | 2 | 0 | |
| Apr 27 | vs STL | L 2–4 | H | 0.1 | 0 | 0 | 0 | 1 |
| Apr 25 | at MIL | W 6–3 | B | 1.0 | 0 | 0 | 0 | 0 |
| Apr 24 | at MIL | W 6–0 | 1.0 | 0 | 0 | 1 | 1 | |
| Apr 19 | vs TB | W 6–3 | H | 1.0 | 0 | 0 | 0 | 1 |
| Apr 18 | vs TB | L 7–8 | 1.0 | 0 | 0 | 0 | 0 | |
| Apr 16 | vs WSH | L 7–8 | 1.0 | 0 | 0 | 1 | 0 | |
| Apr 14 | vs WSH | L 4–5 | 2.0 | 2 | 0 | 0 | 1 | |
| Apr 11 | at CHC | W 4–3 | H | 1.0 | 2 | 0 | 0 | 1 |
| Apr 10 | at CHC | W 2–0 | H | 1.0 | 0 | 0 | 1 | 0 |
| Apr 7 | vs SD | W 7–1 | H | 0.2 | 1 | 0 | 0 | 0 |
| Apr 6 | vs SD | L 0–5 | 1.0 | 2 | 0 | 0 | 2 | |
| Apr 4 | vs BAL | W 3–2 | 1.0 | 1 | 0 | 1 | 1 | |
| Apr 1 | at CIN | W 8–3 | H | 1.1 | 1 | 0 | 0 | 0 |
| Mar 30 | at CIN | L 0–2 | 1.0 | 0 | 0 | 1 | 1 | |
| Mar 29 | at NYM | W 4–3 | 1.0 | 0 | 0 | 0 | 2 | |
| Mar 26 | at NYM | L 7–11 | 0.2 | 3 | 2 | 2 | 1 |
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For context, not in our forecast.