Justin Slaten #63
Boston Red Sox
- P
- B/T: R/R
- 6' 4"/222
- Age: 28
- Justin Michael Slaten
- Status: Active
- Born: 9/15/1997 in Longview, TX
- Draft: 2019, Texas Rangers, Round: 3, Overall Pick: 86
- College: New Mexico
- MLB Debut: 3/30/2024
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 4 | 0-1 | 0.00 | 3.1 | 5 | 1.20 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 101 | 11-19 | 5.27 | 213.1 | 290 | 1.49 |
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 84 | 8-7 | 3.30 | 92.2 | 88 | 1.05 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MLB Stats | 0 | 1 | 0.00 | 4 | 0 | 0 | 3.1 | 5 | 1.20 |
| MiLB Career Stats | 11 | 19 | 5.27 | 101 | 35 | 2 | 213.1 | 290 | 1.49 |
| MLB Career Stats | 8 | 7 | 3.30 | 84 | 0 | 5 | 92.2 | 88 | 1.05 |
- Next BOS Game: 4-05 vs SD
Splits
| Duration | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 0 | 1 | 0.00 | 4 | 0 | 0 | 3.1 | 2 | 0 | 2 | 5 | 1.20 |
| Last 15 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 30 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 3 Games | W | L | SV | IP | H | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|
| 4/4 vs SD | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 1 |
| 4/3 vs SD | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 1 |
| 3/28 @ CIN | 0 | 1 | 0 | 0.1 | 1 | 0 | 1 | 1 |
2026 :
RP
(4)
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
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August 28, 2025 | Boston Red Sox activated RHP Justin Slaten from the 60-day injured list. |
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August 19, 2025 | Boston Red Sox sent RHP Justin Slaten on a rehab assignment to Worcester Red Sox. |
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August 19, 2025 | Boston Red Sox sent RHP Justin Slaten on a rehab assignment to Worcester Red Sox. |
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June 28, 2025 | Boston Red Sox transferred RHP Justin Slaten from the 15-day injured list to the 60-day injured list. |
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June 1, 2025 | Boston Red Sox placed RHP Justin Slaten on the 15-day injured list retroactive to May 29, 2025. Right shoulder inflammation. |
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April 16, 2025 | RHP Justin Slaten changed number to 63. |
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April 15, 2025 | RHP Justin Slaten changed number to 42. |
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August 26, 2024 | Boston Red Sox activated RHP Justin Slaten from the 15-day injured list. |
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August 23, 2024 | Boston Red Sox sent RHP Justin Slaten on a rehab assignment to Portland Sea Dogs. |
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July 12, 2024 | Boston Red Sox placed RHP Justin Slaten on the 15-day injured list retroactive to July 9, 2024. Right elbow inflammation. |
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December 6, 2023 | New York Mets drafted RHP Justin Slaten. |
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December 6, 2023 | New York Mets traded RHP Justin Slaten to Boston Red Sox for LHP Ryan Ammons. |
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September 22, 2023 | Surprise Saguaros activated RHP Justin Slaten. |
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September 12, 2023 | RHP Justin Slaten assigned to Round Rock Express from Frisco RoughRiders. |
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June 2, 2023 | Frisco RoughRiders activated RHP Justin Slaten from the 7-day injured list. |
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May 2, 2023 | Frisco RoughRiders placed RHP Justin Slaten on the 7-day injured list. |
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October 5, 2022 | Frisco RoughRiders activated RHP Justin Slaten from the 7-day injured list. |
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July 12, 2022 | Frisco RoughRiders placed RHP Justin Slaten on the 7-day injured list. |
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July 12, 2022 | Frisco RoughRiders activated RHP Justin Slaten. |
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July 8, 2022 | Frisco RoughRiders sent RHP Justin Slaten on a rehab assignment to ACL Rangers. |
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June 23, 2022 | Frisco RoughRiders placed RHP Justin Slaten on the 7-day injured list. |
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March 31, 2022 | RHP Justin Slaten assigned to Frisco RoughRiders from Hickory Crawdads. |
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October 8, 2021 | Hickory Crawdads activated RHP Justin Slaten. |
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September 15, 2021 | Hickory Crawdads transferred RHP Justin Slaten to the Development List. |
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May 4, 2021 | RHP Justin Slaten assigned to Hickory Crawdads from Rangers Organization. |
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February 12, 2021 | RHP Justin Slaten assigned to Rangers Organization. |
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February 12, 2021 | RHP Justin Slaten assigned to Rangers Organization. |
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June 24, 2019 | RHP Justin Slaten assigned to Spokane Indians. |
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June 24, 2019 | RHP Justin Slaten assigned to Spokane Indians from AZL Rangers. |
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June 17, 2019 | RHP Justin Slaten assigned to AZL Rangers. |
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June 17, 2019 | RHP Justin Slaten assigned to AZL Rangers. |
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June 12, 2019 | Texas Rangers signed RHP Justin Slaten. |
+ Show More Transactions
Awards
SAL Pitcher of the Week
| Week | ||
|---|---|---|
| 07/11/2021 | Hickory Crawdads | A+ E |
Red Sox Fireman's Award
| Year | ||
|---|---|---|
| 2024 | Boston Red Sox | AL |
League Rankings
Games Played
| BP | ||
|---|---|---|
| 2026 | 4 | in AL |
Losses
| Losses | ||
|---|---|---|
| 2026 | 1 | in AL |