Isaac Mattson
RP - Pittsburgh Pirates
Age: 30College: PittsburghBats: RThrows: RCountry: USA
2026 Outlook
Draft Rank (ECR)
P #373
Best / Worst
#360 / #360
ADP
N/A
Roster %
Yahoo
1%
ESPN
0%
Eligibility
Yahoo
RP
ESPN
RP
CBS
RP
Availability
Game Log
| Date | OPP | Score | DEC | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, Sep 26 | @ ATL | - | HLD | 1.0 | 2 | 1 | 1 | 0 | 0 | 0 | 9.00 | 2.00 |
| Wed, Sep 24 | @ CIN | - | HLD | 1.2 | 1 | 1 | 1 | 1 | 1 | 0 | 13.50 | 3.00 |
| Tue, Sep 23 | @ CIN | - | HLD | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 1.00 |
| Fri, Sep 19 | vs. ATH | - | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Sun, Sep 14 | @ WSH | - | L | 2.0 | 1 | 1 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| Wed, Sep 10 | @ BAL | - | BS | 1.0 | 3 | 1 | 1 | 0 | 0 | 0 | 9.00 | 3.00 |
| Tue, Sep 9 | @ BAL | - | - | 1.0 | 0 | 0 | 0 | 0 | 2 | 1 | 0.00 | 2.00 |
| Sun, Sep 7 | vs. MIL | - | - | 1.0 | 0 | 0 | 0 | 0 | 2 | 1 | 0.00 | 2.00 |
| Wed, Sep 3 | vs. LAD | - | HLD | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Tue, Sep 2 | vs. LAD | - | HLD | 1.0 | 3 | 2 | 2 | 0 | 0 | 0 | 18.00 | 3.00 |
| Fri, Aug 29 | @ BOS | - | HLD | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.00 | 1.00 |
| Wed, Aug 27 | @ STL | - | HLD | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Tue, Aug 26 | @ STL | - | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Sun, Aug 24 | vs. COL | - | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Wed, Aug 20 | vs. TOR | - | HLD | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Sun, Aug 17 | @ CHC | - | L | 1.0 | 2 | 1 | 1 | 0 | 1 | 0 | 9.00 | 3.00 |
| Fri, Aug 15 | @ CHC | - | BS | 2.2 | 2 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.80 |
| Wed, Aug 13 | @ MIL | - | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Sun, Aug 10 | vs. CIN | - | - | 1.2 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.50 |
| Sat, Aug 9 | vs. CIN | - | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.00 | 0.00 |
| Wed, Aug 6 | vs. SF | - | HLD | 0.1 | 2 | 1 | 1 | 0 | 1 | 0 | 27.00 | 9.00 |
| Sun, Aug 3 | @ COL | - | - | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| Wed, Jul 30 | @ SF | - | W | 2.0 | 2 | 0 | 0 | 0 | 0 | 3 | 0.00 | 1.00 |
| Mon, Jul 28 | @ SF | - | HLD | 1.0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.00 | 0.00 |
| Fri, Jul 25 | vs. ARI | - | - | 1.0 | 2 | 0 | 0 | 0 | 0 | 1 | 0.00 | 2.00 |
| Tue, Jul 22 | vs. DET | - | - | 1.0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.00 | 1.00 |
| Sat, Jul 19 | vs. CWS | - | - | 0.1 | 2 | 2 | 2 | 0 | 1 | 1 | 54.00 | 9.00 |
| Fri, Jul 18 | vs. CWS | - | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Wed, Jul 9 | @ KC | - | L | 1.0 | 2 | 1 | 1 | 1 | 1 | 1 | 9.00 | 3.00 |
| Sat, Jul 5 | @ SEA | - | - | 1.1 | 0 | 0 | 0 | 0 | 0 | 3 | 0.00 | 0.00 |
| Wed, Jul 2 | vs. STL | - | - | 1.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0.00 | 2.00 |
| Tue, Jul 1 | vs. STL | - | W | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 2.00 |
| Fri, Jun 27 | vs. NYM | - | HLD | 1.1 | 1 | 0 | 0 | 0 | 0 | 3 | 0.00 | 0.75 |
| Mon, Jun 23 | @ MIL | - | HLD | 2.2 | 1 | 0 | 0 | 0 | 0 | 3 | 0.00 | 0.60 |
| Fri, Jun 20 | vs. TEX | - | - | 1.1 | 1 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.50 |
| Thu, Jun 19 | @ DET | - | BS | 1.2 | 2 | 2 | 2 | 1 | 0 | 0 | 27.00 | 3.00 |
| Sun, Jun 15 | @ CHC | - | - | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Thu, Jun 12 | @ CHC | - | - | 2.2 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 0.60 |
| Tue, Jun 10 | vs. MIA | - | - | 2.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.00 | 0.00 |
| Sat, Jun 7 | vs. PHI | - | W | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Sun, May 25 | vs. MIL | - | - | 1.1 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 0.75 |
| Fri, May 23 | vs. MIL | - | - | 1.2 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Thu, May 22 | vs. MIL | - | - | 1.0 | 1 | 1 | 1 | 1 | 0 | 2 | 9.00 | 1.00 |
