Player Information
| Team | BOS |
Pos | RP |
Age | 28 |
| Throws | R |
$/Game | -1.4 |
RCL R% | 0 |
Razzball 2026 rest of season projections for Justin Slaten of the Boston Red Sox have him as the
#774 ranked player and #261 relief pitcher (RP) worth $-16.5 in standard 12 team 5x5 mixed leagues for fantasy baseball.
8/13/26 - Out (Elbow) Slaten is dealing with right elbow inflammation and has been placed on the 15-day injured list.
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2026 Fantasy Outlook
| Grey Albright's 2026 Player Summary |
|---|
Justin Slaten 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 | | | | | | | | | | | | | | | | | | | | | | | | | |
| Last 30 Days | 5 | 0 | 0 | 1 | 0 | 0 | 1 | 4.0 | 18 | 4 | 2 | 0 | 2 | 4 | 4.50 | 2.53 | 1.50 | 0.333 | 9.0 | 9.0 | 4.5 | 0.0 | 22.2 | 11.1 | -6.0 |
| Season | 36 | 0 | 0 | 2 | 4 | 0 | 17 | 31.3 | 137 | 35 | 16 | 4 | 8 | 39 | 4.60 | 3.02 | 1.37 | 0.369 | 10.1 | 11.2 | 2.3 | 1.1 | 28.5 | 5.8 | -12.0 |
| ROS Proj | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 4.8 | 19 | 4 | 2 | 1 | 2 | 5 | 3.53 | 3.61 | 1.19 | 0.292 | 7.5 | 9.4 | 3.8 | 1.9 | 25.8 | 7.9 | -15.9 |
Justin Slaten 2026 Projections | Preseason
Justin Slaten 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".
Justin Slaten 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".
Justin Slaten Game Log | Games Started
| OPP | DEC | IP | BF | PC | H | R | ER | BB | K | ERA | FIP | WHIP | BABIP | HR | Proj $ | Act $ |
|---|
Justin Slaten Game Log | Last 30 Day Relief Appearances
| OPP | DEC | IPStart | IP | BF | PC | H | R | ER | BB | K | HR | ERA | FIP | WHIP | $ |
|---|
| Aug 12 | @TOR | | 6 | 1.0 | 4 | 21 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.08 | 1.00 | -7.3 |
| Aug 8 | ATH | | 6 | 0.7 | 4 | 14 | 1 | 1 | 1 | 1 | 0 | 0 | 12.86 | 0.00 | 3.00 | -38.8 |
| Aug 6 | CHW | | 5 | 1.0 | 6 | 17 | 3 | 2 | 1 | 0 | 2 | 0 | 9.00 | -0.91 | 3.00 | -20.9 |
| Aug 2 | @LAD | HLD | 6 | 0.3 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | -20.5 |
| Aug 1 | @LAD | W | 7 | 1.0 | 3 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 0.00 | 20.2 |
| Jul 29 | @ATH | | 7 | 1.0 | 5 | 19 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.11 | 1.00 | -7.3 |
| Jul 27 | @ATH | HLD | 6 | 0.7 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | -17.0 |
| Jul 26 | TOR | HLD | 7 | 1.0 | 3 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.11 | 0.00 | -7.0 |
| Jul 22 | BAL | HLD | 6 | 1.3 | 5 | 19 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.60 | 0.75 | -4.8 |
| Jul 17 | TB | HLD | 8 | 1.0 | 3 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 0.00 | -7.0 |
| Jul 11 | @NYM | HLD | 7 | 0.7 | 4 | 17 | 1 | 0 | 0 | 1 | 2 | 0 | 0.00 | 0.00 | 3.00 | -2.8 |
| Jul 9 | @CHW | HLD | 8 | 1.0 | 3 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.11 | 0.00 | -7.0 |
| Jul 7 | @CHW | HLD | 7 | 0.7 | 2 | 10 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 | 0.00 | -2.0 |
| Jul 5 | @LAA | | 8 | 1.0 | 5 | 18 | 2 | 1 | 1 | 0 | 1 | 0 | 9.00 | 1.11 | 2.00 | -28.1 |
| Jun 30 | WSH | | 7 | 0.7 | 4 | 13 | 2 | 1 | 1 | 0 | 2 | 0 | 12.86 | 0.00 | 3.00 | -23.7 |
| Jun 28 | NYY | W | 10 | 1.0 | 5 | 16 | 1 | 2 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 1.00 | 19.9 |
| Jun 27 | NYY | HLD | 7 | 0.7 | 2 | 12 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 | 0.00 | -2.0 |
| Jun 24 | @COL | L | 8 | 1.0 | 7 | 19 | 4 | 2 | 2 | 0 | 1 | 0 | 18.00 | 1.10 | 4.00 | -49.2 |
| Jun 23 | @COL | | 8 | 1.0 | 3 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.10 | 1.00 | -14.8 |
| Jun 19 | @SEA | HLD | 7 | 0.3 | 1 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | -12.9 |
| Jun 18 | TOR | | 8 | 1.0 | 4 | 15 | 2 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.09 | 2.00 | -7.5 |
| Jun 13 | TEX | | 6 | 1.0 | 4 | 16 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 1.00 | -7.3 |
| Jun 10 | @TB | | 8 | 0.7 | 5 | 19 | 3 | 2 | 2 | 0 | 0 | 1 | 25.71 | 0.00 | 4.50 | -99.9 |
| Jun 7 | @NYY | L | 8 | 0.7 | 6 | 25 | 3 | 4 | 4 | 1 | 2 | 1 | 51.43 | 0.00 | 6.00 | -99.9 |
| Jun 5 | @NYY | HLD | 8 | 1.0 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.11 | 0.00 | -14.6 |
| May 30 | @CLE | HLD | 7 | 1.3 | 6 | 21 | 1 | 0 | 0 | 1 | 2 | 0 | 0.00 | 2.31 | 1.50 | 2.5 |
| May 22 | MIN | L+BSV | 7 | 0.7 | 7 | 28 | 4 | 4 | 4 | 1 | 1 | 2 | 51.43 | 0.00 | 7.50 | -99.9 |
| May 19 | @KC | HLD | 7 | 1.0 | 3 | 12 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.89 | 0.00 | 0.5 |
| May 18 | @KC | HLD | 7 | 1.0 | 3 | 17 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.89 | 0.00 | 0.5 |
| May 14 | PHI | | 6 | 0.7 | 3 | 8 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 | 1.50 | -9.9 |
| May 13 | PHI | HLD | 7 | 1.0 | 4 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.10 | 1.00 | -14.8 |
| May 10 | TB | | 7 | 1.0 | 3 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.11 | 0.00 | -7.0 |
| Apr 4 | SD | | 7 | 1.0 | 4 | 19 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.19 | 1.00 | -7.3 |
| Apr 3 | SD | HLD | 8 | 1.0 | 3 | 9 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.18 | 0.00 | -7.0 |
| Mar 28 | @CIN | L | 11 | 0.3 | 3 | 11 | 1 | 1 | 0 | 1 | 1 | 0 | 0.00 | 0.00 | 6.00 | -99.9 |
| Mar 26 | @CIN | HLD | 7 | 1.0 | 4 | 17 | 0 | 0 | 0 | 1 | 2 | 0 | 0.00 | 2.63 | 1.00 | 0.2 |
Justin Slaten Stats | Season
Justin Slaten stats and 5x5 fantasy value from 2013-2026.
| 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 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | BOS | 44 | 0 | 0 | 6 | 2 | 2 | 13 | 224 | 55.0 | 47 | 18 | 4 | 9 | 58 | 2.93 | 2.61 | 1.01 | 0.289 | 0.7 | 1.5 | 9.4 | -1.3 |
| 2025 | BOS | 36 | 0 | 0 | 2 | 4 | 3 | 7 | 137 | 34.0 | 27 | 16 | 3 | 10 | 25 | 4.24 | 3.69 | 1.09 | 0.242 | 0.8 | 2.6 | 6.6 | -9.4 |
| 2026 | BOS | 36 | 0 | 0 | 2 | 4 | 0 | 17 | 137 | 31.0 | 35 | 16 | 4 | 8 | 39 | 4.60 | 3.02 | 1.37 | 0.369 | 1.2 | 2.3 | 11.2 | -12.0 |
Justin Slaten Stats | Monthly
Justin Slaten 2026 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 | $ | $/G$ |
|---|
| April | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2.0 | 1 | 0 | 2 | 0 | 0.00 | 1.03 | 0.50 | 0.200 | 4.5 | 9.0 | 0.0 | 0.0 | -8.1 | -2.0 |
| May | 6 | 0 | 0 | 0 | 1 | 0 | 3 | 5.3 | 6 | 4 | 7 | 1 | 6.75 | 5.84 | 1.31 | 0.308 | 9.9 | 11.8 | 1.7 | 3.4 | -13.3 | -13.1 |
| June | 10 | 0 | 0 | 1 | 2 | 0 | 3 | 8.3 | 15 | 8 | 9 | 1 | 8.64 | 4.35 | 1.92 | 0.464 | 9.9 | 9.7 | 1.1 | 2.2 | -15.3 | -13.5 |
| July | 9 | 0 | 0 | 0 | 0 | 0 | 7 | 8.3 | 5 | 1 | 10 | 1 | 1.08 | 0.99 | 0.72 | 0.238 | 5.4 | 10.8 | 1.1 | 0.0 | -3.1 | -4.2 |
| August | 5 | 0 | 0 | 1 | 0 | 0 | 1 | 4.0 | 4 | 2 | 4 | 2 | 4.50 | 2.53 | 1.50 | 0.333 | 9.0 | 9.0 | 4.5 | 0.0 | -8.8 | -5.5 |
Justin Slaten Fantasy Baseball | Rest of Season Player Rater
Justin Slaten Fantasy Baseball | Rest of Season Player Rater (non-standard 5x5)
Justin Slaten Fantasy Baseball | Preseason Player Rater
Justin Slaten Fantasy Baseball | Preseason Player Rater (non-standard 5x5)
Justin Slaten 2026 Projections | Preseason
Justin Slaten Fantasy Outlook For 2026
| Grey Albright Player Summary |
|---|
Player data for Justin Slaten maintained by Rudy Gamble | Updated: 2026-08-31 09:55:20 PM EST
