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Isaac Mattson
Pirates · P · Bats R · Throws R
Isaac Mattson holds a 5.05 ERA with 34 strikeouts over 35.7 innings.
2026 Season
| Split | G | IP | H | ER | BB | K | HR | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|
| Pitching | 36 | 35.7 | 39 | 20 | 18 | 34 | 3 | 5.05 | 1.60 | 8.60 |
Recent Form
Last 3 starts11.25 ERA · 5 K · 4.0 IP
Last 5 starts7.50 ERA · 8 K · 6.0 IP
Last 10 starts8.44 ERA · 12 K · 10.7 IP
Game Log (last 25)
| Date | Opp | Result | IP | H | ER | BB | K |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | vs DET | L 5-8 | 2.0 | 2 | 1 | 2 | 1 |
| 2026-07-28 | vs ARI | L 7-8 | 1.7 | 3 | 1 | 1 | 3 |
| 2026-07-25 | vs CHC | L 0-11 | 0.3 | 4 | 3 | 1 | 1 |
| 2026-07-19 | @ CLE | W 7-1 | 1.0 | 0 | 0 | 0 | 1 |
| 2026-07-18 | @ CLE | W 7-1 | 1.0 | 1 | 0 | 0 | 2 |
| 2026-07-12 | vs MIL | W 14-5 | 0.7 | 1 | 0 | 1 | 1 |
| 2026-07-08 | vs ATL | L 0-3 | 1.0 | 2 | 1 | 0 | 1 |
| 2026-07-05 | @ WSH | W 11-5 | 1.0 | 2 | 0 | 0 | 1 |
| 2026-07-03 | @ WSH | L 5-9 | 1.3 | 3 | 4 | 1 | 1 |
| 2026-06-30 | @ PHI | L 0-8 | 0.7 | 1 | 0 | 0 | 0 |
| 2026-06-27 | vs CIN | L 7-9 | 1.0 | 0 | 0 | 0 | 2 |
| 2026-06-26 | vs CIN | L 4-6 | 1.0 | 0 | 0 | 0 | 1 |
| 2026-06-23 | vs SEA | L 2-3 | 1.0 | 0 | 0 | 0 | 1 |
| 2026-06-17 | @ ATH | W 12-4 | 1.0 | 1 | 1 | 0 | 2 |
| 2026-06-14 | vs MIA | L 2-4 | 1.3 | 0 | 0 | 2 | 1 |
| 2026-05-17 | vs PHI | L 0-6 | 1.0 | 1 | 0 | 0 | 0 |
| 2026-05-16 | vs PHI | L 0-6 | 1.3 | 0 | 0 | 1 | 2 |
| 2026-05-10 | @ SF | L 6-7 | 0.3 | 3 | 2 | 0 | 0 |
| 2026-05-07 | @ ARI | W 4-2 | 0.3 | 0 | 0 | 0 | 1 |
| 2026-04-30 | vs STL | L 5-10 | 0.7 | 3 | 5 | 2 | 0 |
| 2026-04-27 | vs STL | L 2-4 | 0.3 | 0 | 0 | 0 | 1 |
| 2026-04-25 | @ MIL | W 6-3 | 1.0 | 0 | 0 | 0 | 0 |
| 2026-04-24 | @ MIL | W 6-0 | 1.0 | 0 | 0 | 1 | 1 |
| 2026-04-19 | vs TB | W 6-3 | 1.0 | 0 | 0 | 0 | 1 |
| 2026-04-18 | vs TB | L 7-8 | 1.0 | 0 | 0 | 0 | 0 |
Updated 8/31/2026, 7:01:31 AM · 2026 season