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Justin Slaten
Projections & Stats

BOS

Player Information

TeamBOS PosRP Age28
ThrowsR $/Game0.1 RCL R%0
Razzball 2026 rest of season projections for Justin Slaten of the Boston Red Sox have him as the #418 ranked player and #91 relief pitcher (RP) worth $-5.3 in standard 12 team 5x5 mixed leagues for fantasy baseball.

Jump to: Season Stats || Monthly Stats || Game Log || Player Rater || 2026 Fantasy Outlook
Grey Albright's 2026 Player Summary

Justin Slaten Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days
Last 30 Days
Season3600243734.01372716310254.243.691.090.2427.16.62.60.818.27.3-9.4
ROS Proj65003301364.82725829822624.223.871.230.2838.18.63.11.122.87.9-5.3

Justin Slaten 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)4354.0443.711.127.3-6.0457
Preseason (Steamer)65003301364.8272582962224.223.871.238.63.01.122.87.9-5.3418
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$
Mar 26@CINHLD71.04170001200.002.631.000.2

Justin Slaten Stats | Season

Justin Slaten stats and 5x5 fantasy value from 2013-2026.
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
2026 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Justin Slaten Stats | Monthly

Justin Slaten 2026 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 ESPN10.6-0.5-0.11.90.410.5-3.12998
MLB 10 Y!6.74.9-2.35.10.43.0-0.51384
MLB 12 ESPN-5.3-3.20.3-6.90.20.2-0.191418
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 ESPN-4.0-4.40.2-5.90.30.40.0100441
MLB 15 Y!9.78.3-2.26.70.83.7-0.21397
MLB 16 ESPN3.11.60.0-6.70.910.4-2.5170301
MLB 16 Y!10.49.0-2.47.30.83.9-0.21395
AL 10
NL 10
AL 121549
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 128.40.00.00.50.58.8-2.40.00.04547
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-7.7-3.00.3-9.20.20.1-0.190409
MLB 10 Y!-1.0-1.40.4-2.60.10.2-0.185275
MLB 12 ESPN-5.3-3.20.3-6.90.20.2-0.191418
MLB 12 Y!-1.3-1.60.4-2.80.10.2-0.285305
MLB 14 ESPN-3.0-3.30.3-4.90.20.30.194426
MLB 14 Y!-1.3-1.90.4-2.70.10.2-0.384333
MLB 15 ESPN-2.5-3.40.3-4.40.20.40.091446
MLB 15 Y!-1.3-2.00.4-2.60.10.2-0.482350
MLB 16 ESPN-2.1-3.40.4-4.30.30.40.189466
MLB 16 Y!-1.3-2.00.4-2.80.10.3-0.380369
AL 10-6.5-2.60.0-7.70.00.10.152331
NL 10
AL 12-2.6-2.8-0.1-3.70.00.10.158334
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 12-2.6-3.20.5-4.60.30.3-0.10.082179
6x6 (Holds) ESPN 12-2.6-3.20.5-4.60.30.3-0.10.054179
7x7 ESPN 12-16.8-4.21.0-12.80.00.2-0.50.0-5.7114270

Justin Slaten 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)4354.0443.711.127.3-6.0457
Preseason (Steamer)65003301364.8272582962224.223.871.238.63.01.122.87.9-5.3418
Prospectonator

Justin Slaten Fantasy Outlook For 2026

Grey Albright Player Summary

Player data for Justin Slaten maintained by | Updated: