Player Information
| Team | PIT |
Pos | RP |
Age | 29 |
| Throws | R |
$/Game | -3.3 |
RCL R% | 0 |
Razzball 2025 rest of season projections for Isaac Mattson of the Pittsburgh Pirates have him as the
#599 ranked player and #145 relief pitcher (RP) worth $-15.1 in standard 12 team 5x5 mixed leagues for fantasy baseball.
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Season Stats ||
Monthly Stats ||
Game Log ||
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2024 Fantasy Outlook
| Grey Albright's 2025 Player Summary |
|---|
Isaac Mattson Stats
| G | GS | QS | W | L | SV | HLD | IP | TBF | H | ER | HR | BB | K | ERA | FIP | WHIP | BABIP | H/9 | K/9 | BB/9 | HR/9 | K% | BB% | $ |
|---|
| Last 7 Days | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 3.0 | 12 | 3 | 0 | 0 | 0 | 5 | 0.00 | -0.30 | 1.00 | 0.429 | 9.0 | 15.0 | 0.0 | 0.0 | 41.7 | 0.0 | -5.0 |
| Last 30 Days | 10 | 0 | 0 | 1 | 1 | 0 | 1 | 8.7 | 41 | 9 | 3 | 1 | 5 | 11 | 3.12 | 4.07 | 1.61 | 0.348 | 9.3 | 11.4 | 5.2 | 1.0 | 26.8 | 12.2 | -6.9 |
| Season | 21 | 0 | 0 | 2 | 1 | 0 | 3 | 23.3 | 93 | 15 | 6 | 3 | 8 | 27 | 2.31 | 3.60 | 0.99 | 0.222 | 5.8 | 10.4 | 3.1 | 1.2 | 29.0 | 8.6 | -5.8 |
| ROS Proj | 19 | 0 | 0 | 1 | 1 | 0 | 2 | 22.7 | 98 | 20 | 10 | 3 | 11 | 22 | 4.13 | 4.35 | 1.34 | 0.279 | 7.9 | 8.7 | 4.4 | 1.2 | 22.0 | 11.0 | -15.1 |
Isaac Mattson 2025 Projections | Preseason
Isaac Mattson daily MLB projections and fantasy value for probable starts in next 7-10 days. LU=Lineup. If the lineup has been released and incorporated into the projections, it is listed as "Live".
Isaac Mattson daily fantasy baseball projections for DFS sites such as DraftKings and FanDuel. LU=Lineup. If the lineup has been released and incorporated into the projections, it is listed as "Live".
Isaac Mattson Game Log | Games Started
| OPP | DEC | IP | BF | PC | H | R | ER | BB | K | ERA | FIP | WHIP | BABIP | HR | Proj $ | Act $ |
|---|
Isaac Mattson Game Log | Last 30 Day Relief Appearances
| OPP | DEC | IPStart | IP | BF | PC | H | R | ER | BB | K | HR | ERA | FIP | WHIP | $ |
|---|
| Jul 28 | @SF | HLD | 7 | 1.0 | 3 | 14 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.91 | 0.00 | 16.7 |
| Jul 25 | ARI | | 7 | 1.0 | 5 | 21 | 2 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.09 | 2.00 | -18.5 |
| Jul 22 | DET | | 7 | 1.0 | 4 | 24 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.91 | 1.00 | 2.9 |
| Jul 19 | CHW | | 6 | 0.3 | 5 | 22 | 2 | 2 | 2 | 1 | 1 | 0 | 60.00 | 0.00 | 9.09 | -99.9 |
| Jul 18 | CHW | | 9 | 1.0 | 3 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.08 | 0.00 | 1.7 |
| Jul 9 | @KC | L | 8 | 1.0 | 6 | 17 | 2 | 1 | 1 | 1 | 1 | 1 | 9.00 | 17.08 | 3.00 | -52.9 |
| Jul 8 | @KC | | 9 | 0.0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | | 0.00 | 0.00 | -23.3 |
| Jul 5 | @SEA | | 6 | 1.3 | 4 | 24 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | -1.41 | 0.00 | 31.2 |
| Jul 2 | STL | | 9 | 1.0 | 5 | 19 | 1 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.09 | 2.00 | -18.5 |
| Jul 1 | STL | W | 8 | 1.0 | 5 | 26 | 0 | 0 | 0 | 2 | 0 | 0 | 0.00 | 9.09 | 2.00 | 1.2 |
| Jun 27 | NYM | HLD | 6 | 1.3 | 5 | 21 | 1 | 0 | 0 | 0 | 3 | 0 | 0.00 | -1.42 | 0.75 | 21.0 |
| Jun 23 | @MIL | HLD | 7 | 1.7 | 6 | 31 | 1 | 0 | 0 | 0 | 3 | 0 | 0.00 | -0.53 | 0.60 | 31.1 |
| Jun 20 | TEX | | 7 | 1.3 | 5 | 16 | 1 | 0 | 0 | 1 | 1 | 0 | 0.00 | 3.82 | 1.50 | -4.2 |
| Jun 19 | @DET | BSV | 7 | 0.7 | 4 | 15 | 2 | 2 | 2 | 0 | 0 | 1 | 25.71 | 0.00 | 2.99 | -89.5 |
| Jun 15 | @CHC | | 7 | 2.0 | 6 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.07 | 0.00 | 16.9 |
| Jun 12 | @CHC | | 7 | 1.7 | 6 | 20 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 3.68 | 0.60 | 16.3 |
| Jun 10 | MIA | | 8 | 2.0 | 6 | 21 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.07 | 0.00 | 35.6 |
| Jun 7 | PHI | W | 7 | 1.0 | 3 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.08 | 0.00 | 36.4 |
| May 25 | MIL | | 6 | 1.3 | 5 | 21 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 3.83 | 0.75 | 6.0 |
| May 23 | MIL | | 9 | 0.7 | 2 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 2.0 |
| May 22 | MIL | | 6 | 1.0 | 4 | 20 | 1 | 1 | 1 | 0 | 2 | 1 | 9.00 | 12.08 | 1.00 | -17.7 |
Isaac Mattson Stats | Season
Isaac Mattson stats and 5x5 fantasy value from 2013-2025.
| Period | Team | G | GS | QS | W | L | SV | HLD | BF | IP | H | ER | HR | BB | K | ERA | FIP | WHIP | BABIP | HR/9 | BB/9 | K/9 | $ |
|---|
| 2013 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2014 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2015 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2016 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2017 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2018 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2019 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2020 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2021 | BAL | 4 | 0 | 0 | 0 | 0 | 0 | 0 | | 4.0 | 5 | 3 | 0 | 5 | 3 | 6.23 | 5.25 | 2.31 | | 0.0 | 10.4 | 6.2 | -18.9 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | PIT | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 5.0 | 1 | 3 | 0 | 5 | 6 | 5.06 | 4.29 | 1.13 | 0.091 | 0.0 | 8.5 | 10.2 | -15.3 |
| 2025 | PIT | 21 | 0 | 0 | 2 | 1 | 0 | 3 | 93 | 23.0 | 15 | 6 | 3 | 8 | 27 | 2.31 | 3.60 | 0.99 | 0.222 | 1.2 | 3.1 | 10.4 | -5.8 |
Isaac Mattson Stats | Monthly
Isaac Mattson 2025 fantasy value by month for 5x5 leagues.
| G | GS | QS | W | L | SV | HLD | IP | H | ER | K | BB | ERA | FIP | WHIP | BABIP | H/9 | K/9 | BB/9 | HR/9 | $ | $/G$ |
|---|
| May | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 1 | 1 | 4 | 1 | 3.00 | 5.70 | 0.67 | 0.000 | 3.0 | 12.0 | 3.0 | 3.0 | -7.8 | -4.0 |
| June | 8 | 0 | 0 | 1 | 0 | 0 | 2 | 11.7 | 5 | 2 | 12 | 2 | 1.54 | 2.60 | 0.60 | 0.154 | 3.9 | 9.3 | 1.5 | 0.8 | 5.4 | 4.4 |
| July | 10 | 0 | 0 | 1 | 1 | 0 | 1 | 8.7 | 9 | 3 | 11 | 5 | 3.12 | 4.07 | 1.62 | 0.348 | 9.4 | 11.4 | 5.2 | 1.0 | -7.0 | -8.3 |
| September | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.3 | 1 | 3 | 3 | 4 | 8.11 | 5.73 | 1.50 | 0.125 | 2.7 | 8.1 | 9.9 | 0.0 | -17.4 | -26.1 |
Isaac Mattson Fantasy Baseball | Rest of Season Player Rater
Isaac Mattson Fantasy Baseball | Rest of Season Player Rater (non-standard 5x5)
Isaac Mattson Fantasy Baseball | Preseason Player Rater
Isaac Mattson Fantasy Baseball | Preseason Player Rater (non-standard 5x5)
Isaac Mattson 2025 Projections | Preseason
Isaac Mattson Fantasy Outlook For 2024
| Grey Albright Player Summary |
|---|
Player data for Isaac Mattson maintained by Rudy Gamble | Updated: 2025-07-30 01:00:20 PM EST
