Isaac Mattson stats & game log
RP · Pittsburgh Pirates · MLB
Updated Thu, Sep 24, 10:15 PM ET · refreshed every 3 hoursIsaac Mattson threw 38.2 innings with an ERA of 5.35 and 36 strikeouts in 38 games in the 2026 regular season for PIT. Most recent game: L 1-6 vs LAA on Sep 5, 2026.
Last 10 games
| Date | Opponent | Result | IP | H allowed | ER | BB allowed | K | Pitches |
|---|---|---|---|---|---|---|---|---|
| Sep 5, 2026 | vs LAA | L 1-6 | 2 | 4 | 3 | 0 | 2 | 39 |
| Aug 17, 2026 | vs DET | L 5-8 | 2 | 2 | 1 | 2 | 1 | 41 |
| Jul 28, 2026 | vs ARI | L 7-8 | 1.2 | 3 | 1 | 1 | 3 | 39 |
| Jul 25, 2026 | vs CHC | L 0-11 | 0.1 | 4 | 3 | 1 | 1 | 26 |
| Jul 19, 2026 | @ CLE | W 7-1 | 1 | 0 | 0 | 0 | 1 | 13 |
| Jul 18, 2026 | @ CLE | W 7-1 | 1 | 1 | 0 | 0 | 2 | 20 |
| Jul 12, 2026 | vs MIL | W 14-5 | 0.2 | 1 | 0 | 1 | 1 | 18 |
| Jul 11, 2026 | vs MIL | W 3-2 | 1 | 1 | 0 | 0 | 0 | 24 |
| Jul 8, 2026 | vs ATL | L 0-3 | 1 | 2 | 1 | 0 | 1 | 12 |
| Jul 5, 2026 | @ WSH | W 11-5 | 1 | 2 | 0 | 0 | 1 | 12 |
Season stats
| Season | Team | GP | IP | ERA | K | BB allowed | ER | HLD |
|---|---|---|---|---|---|---|---|---|
| 2026 | PIT | 38 | 38.2 | 5.35 | 36 | 18 | 23 | 8 |
| 2025 | PIT | 44 | 47.2 | 2.45 | 45 | 19 | 13 | 12 |
| 2024 | PIT | 3 | 5.1 | 5.06 | 6 | 5 | 3 | 0 |
| 2021 | BAL | 4 | 4.1 | 6.23 | 3 | 5 | 3 | 0 |
| Career | 89 | 96 | 3.94 | 90 | 47 | 42 | 20 |
Next game
The Pittsburgh Pirates visit the Detroit Tigers on Fri, Sep 25, 6:40 PM ET. Consensus odds for it are on the Pittsburgh Pirates page.
Isaac Mattson's player props at every sportsbook, with line history, are on the Live Board, free with an account.