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Justin Slaten
Projections & Stats

BOS

Player Information

TeamBOS PosRP Age27
ThrowsR $/Game1.4 RCL R%61
Razzball 2025 rest of season projections for Justin Slaten of the Boston Red Sox have him as the #276 ranked player and #32 relief pitcher (RP) worth $-1.3 in standard 12 team 5x5 mixed leagues for fantasy baseball.

Jump to: Season Stats || Monthly Stats || Game Log || Player Rater || 2024 Fantasy Outlook
Grey Albright's 2025 Player Summary

Justin Slaten Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days30002002.3154314111.5912.903.480.33315.73.915.73.96.726.7-32.2
Last 30 Days110002209.341871586.754.321.400.2597.77.74.81.019.512.2-9.6
Season1300023011.347871595.563.951.150.2196.47.24.00.819.110.6-17.1
ROS Proj51003261051.22174522620523.793.921.270.2847.99.13.51.123.79.3-1.2

Justin Slaten 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)5259.0642.811.039.8-2.0310
Preseason (Steamer)65003351964.8272572867244.093.841.259.23.31.024.48.8-1.4302
Prospectonator

Justin Slaten Projections | Streamonator (Subscribe/login to see pitcher projections)

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 Projections | DFS (Subscribe to see DFS MLB projections)

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 Trade Value | Try our free Fantasy Baseball Trade Analyzer to evaluate trade offers.

Justin Slaten Game Log | Games Started

OPPDECIPBFPCHRERBBKERAFIPWHIPBABIPHRProj $Act $

Justin Slaten Game Log | Last 30 Day Relief Appearances

OPPDECIPStartIPBFPCHRERBBKHRERAFIPWHIP$
May 1@TOR81.072933310127.0019.074.00-99.9
Apr 30@TORL100.34111102000.000.009.09-66.6
Apr 26@CLE81.04190001100.004.031.00-4.7
Apr 21CHWSV91.03120000100.001.040.0057.7
Apr 19CHW81.03150000200.00-0.980.0016.7
Apr 16@TBSV91.03110000200.00-1.000.0065.2
Apr 12@CHW81.0390000000.002.990.001.7
Apr 9TOR81.0380000000.003.070.001.7
Apr 6STL71.03100000100.001.080.009.2
Apr 3@BAL71.04201000100.000.851.00-4.7
Mar 31@BAL80.0493441000.000.00-69.3
Mar 30@TEX81.0360000000.002.610.001.7
Mar 27@TEXSV91.03130000100.000.950.0057.7

Justin Slaten Stats | Season

Justin Slaten stats and 5x5 fantasy value from 2013-2025.
PeriodTeamGGSQSWLSVHLDBFIPHERHRBBKERAFIPWHIPBABIPHR/9BB/9K/9$
2013 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2014 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2015 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2016 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2017 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2018 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2019 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2020 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2021 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2022 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2023 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2024BOS44006221322455.0471849582.932.611.010.2890.71.59.4-1.3
2025BOS130002304711.0871595.563.951.150.2190.84.07.2-17.1

Justin Slaten Stats | Monthly

Justin Slaten 2025 fantasy value by month for 5x5 leagues.
GGSQSWLSVHLDIPHERKBBERAFIPWHIPBABIPH/9K/9BB/9HR/9$$/G$
March20000102.000100.002.030.000.0000.04.50.00.00.03.3
April80000208.010810.001.400.250.0591.19.01.10.05.23.4
May10001001.0330127.0019.034.000.4009.90.09.09.0-57.1-59.5
June70010049.7731122.794.370.930.1796.510.21.91.9-0.90.0
July30010022.702336.744.151.120.0000.010.19.90.0-6.0-0.6
August20000011.700200.000.630.000.0000.010.80.00.0-9.40.1
September1000100210.01121101.803.431.100.3009.99.90.01.8-2.2-4.8

Justin Slaten Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-4.8-1.80.4-6.90.20.20.332287
MLB 10 Y!-0.5-1.81.5-4.70.70.40.735203
MLB 12 ESPN-1.3-1.60.3-3.30.20.20.332276
MLB 12 Y!1.1-1.61.3-2.70.60.40.634218
MLB 14 ESPN1.0-1.30.4-1.20.20.20.431284
MLB 14 Y!2.4-1.41.3-1.60.60.40.734234
MLB 15 ESPN1.7-1.10.4-0.50.20.20.431296
MLB 15 Y!2.7-1.21.3-1.10.50.30.635254
MLB 16 ESPN2.0-1.00.4-0.20.20.20.432303
MLB 16 Y!3.0-1.11.2-0.70.60.30.635261
AL 10-8.7-1.40.0-10.00.00.10.216316
NL 10
AL 123.1-0.2-0.11.90.00.10.217201
NL 12

Justin Slaten Fantasy Baseball | Rest of Season Player Rater (non-standard 5x5)

$Point Shares$W$$SV$$ERA$$WHIP$$K$$QS$$HLD$Pos RkTot Rk
6x6 (QS) ESPN 120.4-1.60.6-2.10.30.20.40.00.033105
6x6 (QS) Y! 121.1-1.61.0-2.10.50.30.40.00.034105
6x6 (Holds) ESPN 12-6.4-1.60.6-3.10.10.10.10.0-5.241133
6x6 (Holds) Y! 120.5-1.70.5-0.80.30.10.20.0-0.838114
7x7 ESPN 120.4-1.60.3-2.70.10.00.00.01.732105
7x7 Y! 120.3-1.70.5-0.60.20.10.10.0-1.038114

Justin Slaten Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-3.6-2.20.4-5.40.2-0.10.340273
MLB 10 Y!1.0-0.80.4-0.60.1-0.10.248211
MLB 12 ESPN-1.4-2.00.4-3.30.20.00.340302
MLB 12 Y!1.0-0.90.4-0.50.1-0.20.246247
MLB 14 ESPN0.2-1.70.3-1.80.20.10.440323
MLB 14 Y!1.3-0.80.5-0.20.1-0.30.247272
MLB 15 ESPN0.8-1.60.4-1.30.20.10.440339
MLB 15 Y!1.4-0.80.50.00.1-0.40.248291
MLB 16 ESPN1.1-1.50.4-1.10.30.10.439346
MLB 16 Y!1.3-0.80.5-0.10.1-0.40.248308
AL 10-2.0-1.70.0-3.20.00.00.218258
NL 10
AL 121.3-0.8-0.10.20.00.00.219242
NL 12

Justin Slaten Fantasy Baseball | Preseason Player Rater (non-standard 5x5)

$Point Shares$W$$SV$$ERA$$WHIP$$K$$QS$$HLD$Pos RkTot Rk
6x6 (QS) ESPN 120.1-2.00.6-2.20.30.00.40.042117
6x6 (Holds) ESPN 120.1-2.00.6-2.20.30.00.40.051117
7x7 ESPN 122.3-0.81.2-5.30.2-0.60.10.05.738106

Justin Slaten 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)5259.0642.811.039.8-2.0310
Preseason (Steamer)65003351964.8272572867244.093.841.259.23.31.024.48.8-1.4302
Prospectonator

Justin Slaten Fantasy Outlook For 2024

Grey Albright Player Summary

Player data for Justin Slaten maintained by | Updated: