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Pittsburgh Pirates · P · 2026 season
Isaac Mattson (P, Pittsburgh Pirates) has a 5.35 ERA with 36 strikeouts in 38.2 innings over 38 games in 2026.
Last game
No props posted for Isaac Mattson right now
| Date | Opp | IP | K | ER | Dec |
|---|---|---|---|---|---|
| Sep 5 | vs LAARelief | 2.0 | 2 | 3 | — |
| Aug 17 | vs DETRelief | 2.0 | 1 | 1 | — |
| Jul 28 | vs AZRelief | 1.2 | 3 | 1 | — |
| Jul 25 | vs CHCRelief | 0.1 | 1 | 3 | — |
| Jul 19 | @ CLERelief | 1.0 | 1 | 0 | — |
| Jul 18 | @ CLERelief | 1.0 | 2 | 0 | — |
| Jul 12 | vs MILRelief | 0.2 | 1 | 0 | — |
| Jul 11 | vs MILRelief | 1.0 | 0 | 0 | — |
| Jul 8 | vs ATLRelief | 1.0 | 1 | 1 | — |
| Jul 5 | @ WSHRelief | 1.0 | 1 | 0 | — |
QS = quality start: 6+ innings and 3 or fewer earned runs.
Showing 10 of 15 games. The full game log is part of the player's full breakdown (a free account opens 5 players a day; Pro has no limit).
| Split | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| Home | 22 | 24.0 | 5.25 | 1.63 | 8.25 |
| Road | 16 | 14.2 | 5.52 | 1.57 | 8.59 |
| Split | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| Mar* | 3 | 2.2 | 6.75 | 2.25 | 13.50 |
| Apr | 14 | 14.0 | 3.21 | 1.29 | 5.14 |
| May* | 4 | 3.0 | 6.00 | 1.67 | 9.00 |
| Jun | 6 | 6.0 | 1.50 | 0.67 | 10.50 |
| Jul | 9 | 9.0 | 9.00 | 2.33 | 11.00 |
| Aug* | 1 | 2.0 | 4.50 | 2.00 | 4.50 |
| Sep* | 1 | 2.0 | 13.50 | 2.00 | 9.00 |
| Season | G | IP | ERA | WHIP | K/9 |
|---|---|---|---|---|---|
| 2026 | 38 | 38.2 | 5.35 | 1.60 | 8.38 |
| 2025 | 44 | 47.2 | 2.45 | 1.13 | 8.50 |
| 2024 | 3 | 5.1 | 5.06 | 1.13 | 10.13 |
* A small sample: under 15 plate appearances (hitters) or 5 innings (pitchers).
Isaac Mattson's full breakdown holds role and workload by game. Checking your player views…
Checking your player views…Isaac Mattson's full breakdown holds heat maps, the spray chart and pitch-type matchups. Checking your player views…
Checking your player views…Season totals and logs are from box scores. Prop lines from DraftKings, FanDuel and BetMGM. Descriptive history, not a forecast or a pick. For information only, not betting advice. 21+ only. Gambling problem? Call or text 1-800-GAMBLER.