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Justin Slaten
Projections & Stats

BOS

Player Information

TeamBOS PosRP Age27
ThrowsR $/Game0.0 RCL R%3
Razzball 2025 rest of season projections for Justin Slaten of the Boston Red Sox have him as the #132 ranked player and #44 relief pitcher (RP) worth $9.4 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 Days
Last 30 Days10000000.73000100.007.511.430.0000.00.012.90.00.033.3-12.8
Season3600243734.01372716310254.243.691.090.2427.16.62.60.818.27.3-9.4
ROS Proj650000101364.82593027514333.812.150.670.1414.24.61.90.712.95.39.4

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$
Sep 26DET40.73110001000.000.001.49-26.5
Sep 23@TORHLD81.03130000000.003.140.001.7
Sep 20@TBBSV70.3261000000.000.003.03-59.0
Sep 19@TBHLD71.03120000200.00-0.850.0016.7
Sep 17ATH51.34150000100.001.650.0016.2
Sep 16ATH71.0350000000.003.150.001.7
Sep 10@ATHHLD50.341022210060.000.009.09-99.9
Sep 9@ATH71.05182000100.001.142.00-18.5
Sep 5@ARI81.071844401136.0014.144.00-99.9
Sep 2CLEW81.04121000100.001.131.0022.6
Aug 31PIT71.04231110219.0012.121.00-17.7
Aug 29PIT71.05232001100.004.123.00-32.3
May 28@MIL100.33161200000.000.003.03-59.0
May 27@MILHLD71.35200001100.003.820.756.0
May 24BAL81.04201001000.006.072.00-26.0
May 23BALHLD80.7381000100.000.001.49-19.0
May 20NYMHLD71.74120000000.003.090.0016.9
May 19NYMHLD71.34120000100.001.600.0016.2
May 14@DET81.03110000100.001.100.009.2
May 13@DET81.03150000300.00-2.900.0024.2
May 9@KC81.34150000000.003.100.008.6
May 8TEXW51.34130000000.003.100.0035.8
May 4MINL81.061932200018.003.073.00-81.1
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
2025BOS3600243713734.02716310254.243.691.090.2420.82.66.6-9.4

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
May1200130413.095733.463.650.920.2056.24.92.10.7-2.5-5.0
August10000001.020110.004.033.000.6679.99.09.00.0-14.2-17.7
September100010038.7106626.243.841.390.3109.96.22.11.0-11.1-9.9

Justin Slaten Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN10.6-0.5-0.11.90.410.5-3.12995
MLB 10 Y!6.74.9-2.35.10.43.0-0.51384
MLB 12 ESPN9.40.1-0.10.50.510.5-3.044132
MLB 12 Y!7.96.2-2.66.10.43.5-0.61393
MLB 14 ESPN7.50.90.0-2.00.810.5-2.884190
MLB 14 Y!9.17.5-2.36.30.73.5-0.31397
MLB 15 ESPN5.41.20.0-4.40.810.8-2.8167287
MLB 15 Y!9.78.3-2.26.70.83.7-0.21397
MLB 16 ESPN3.11.60.0-6.70.910.4-2.5171301
MLB 16 Y!10.49.0-2.47.30.83.9-0.21395
AL 101269
NL 10
AL 121358
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 128.40.00.00.50.58.8-2.40.00.04546
6x6 (QS) Y! 126.56.2-2.04.80.42.7-0.4-0.10.01313
6x6 (Holds) ESPN 1215.71.80.02.8-1.220.3-7.80.00.61010
6x6 (Holds) Y! 127.39.0-1.95.30.22.4-0.50.00.81111
7x7 ESPN 1215.52.00.05.2-1.217.9-7.20.0-0.21111
7x7 Y! 127.49.4-1.85.30.22.4-0.5-0.10.81111

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: