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William Kempner
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TeamMIA PosRP Age25
ThrowsR $/Game-4.2 RCL R%0

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Razzball 2026 rest of season projections for William Kempner of the Miami Marlins have him as the #798 ranked player and #412 relief pitcher (RP) worth $-9.2 in standard 12 team 5x5 mixed leagues for fantasy baseball.

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Grey Albright's 2026 Player Summary

William Kempner Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days
Last 30 Days
Season
ROS Proj2600110326.41172514313254.744.691.470.3018.58.54.41.020.911.5-9.2

William Kempner 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)2600110326.4117251425134.744.691.478.44.61.021.011.5-9.2798
Prospectonator60003360.0265573057314.461.468.54.61.221.311.5-6.9

William Kempner Projections | Streamonator (Subscribe/login to see pitcher projections)

William Kempner 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".

William Kempner Projections | DFS (Subscribe to see DFS MLB projections)

William Kempner 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".

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

William Kempner Game Log | Games Started

OPPDECIPBFPCHRERBBKERAFIPWHIPBABIPHRProj $Act $

William Kempner Game Log | Last 30 Day Relief Appearances

OPPDECIPStartIPBFPCHRERBBKHRERAFIPWHIP$

William Kempner Stats | Season

William Kempner stats and 5x5 fantasy value from 2013-2026.
PeriodTeamGGSQSWLSVHLDBFIPHERHRBBKERAFIPWHIPBABIPHR/9BB/9K/9$
2013 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2014 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2015 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2016 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2017 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2018 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2019 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2020 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2021 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2022 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2023 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2024 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2025 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2026 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

William Kempner Stats | Monthly

William Kempner 2026 fantasy value by month for 5x5 leagues.
GGSQSWLSVHLDIPHERKBBERAFIPWHIPBABIPH/9K/9BB/9HR/9$$/G$

William Kempner Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN0.00.0-0.17.51.61561080
MLB 10 Y!0.00.0-2.3-2.10.139933
MLB 12 ESPN-9.2-5.7-0.6-6.8-0.1-0.3-2.4412798
MLB 12 Y!0.00.0-2.6-2.00.140947
MLB 14 ESPN0.00.00.011.71.61751143
MLB 14 Y!0.00.0-2.3-1.50.460981
MLB 15 ESPN-6.3-6.7-0.3-5.80.1-0.1-1.2387786
MLB 15 Y!0.00.0-2.2-1.40.465985
MLB 16 ESPN0.00.00.018.51.71721138
MLB 16 Y!0.00.0-2.4-1.40.566986
AL 10
NL 100.09.21.41583
AL 12
NL 120.012.11.41568

William Kempner 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 120.08.01.40.00.01685
6x6 (QS) Y! 12-2.0-1.60.1-0.10.01685
6x6 (Holds) ESPN 120.0-4.21.20.0-1.41685
6x6 (Holds) Y! 12-1.9-1.10.00.0-0.61685
7x7 ESPN 120.0-6.90.80.01.01685
7x7 Y! 12-1.8-1.10.0-0.1-0.61685

William Kempner Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-12.7-5.7-1.1-9.3-0.1-0.6-2.6423817
MLB 10 Y!-5.7-3.2-0.9-2.6-0.1-0.4-2.7409657
MLB 12 ESPN-9.2-5.7-0.6-6.8-0.1-0.3-2.4412798
MLB 12 Y!-7.1-3.9-1.2-2.8-0.2-0.5-3.4406699
MLB 14 ESPN-6.6-5.9-0.4-4.90.0-0.2-2.1415801
MLB 14 Y!-8.2-4.7-1.4-2.7-0.3-0.7-4.1405740
MLB 15 ESPN-6.4-5.9-0.4-4.4-0.1-0.2-2.3409819
MLB 15 Y!-9.2-5.0-1.7-2.7-0.4-0.8-4.6404761
MLB 16 ESPN-5.9-6.0-0.3-4.40.0-0.1-2.1401850
MLB 16 Y!-10.0-5.3-1.8-2.9-0.4-0.9-5.0406806
AL 10
NL 10-4.0-5.90.1-4.20.0-0.1-0.8189457
AL 12
NL 12-2.9-6.00.1-3.40.00.0-0.6172478

William Kempner Fantasy Baseball | Preseason Player Rater (non-standard 5x5)

$Point Shares$W$$SV$$ERA$$WHIP$$K$$QS$$HLD$Pos RkTot Rk
6x6 (QS) ESPN 12-7.8-5.7-1.0-4.5-0.1-0.4-2.80.0413531
6x6 (Holds) ESPN 12-7.8-5.7-1.0-4.5-0.1-0.4-2.80.076531
7x7 ESPN 12-48.0-10.0-3.8-11.9-0.9-1.6-7.00.0-23.8388686

William Kempner 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)2600110326.4117251425134.744.691.478.44.61.021.011.5-9.2798
Prospectonator60003360.0265573057314.461.468.54.61.221.311.5-6.9

William Kempner Fantasy Outlook For 2026

Grey Albright Player Summary

Player data for William Kempner maintained by | Updated: