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William Kempner
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MIA

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TeamMIA PosRP Age24
ThrowsR $/Game-4.8 RCL R%0

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Razzball 2025 rest of season projections for William Kempner of the Miami Marlins have him as the #1005 ranked player and #550 relief pitcher (RP) worth $-14.5 in standard 12 team 5x5 mixed leagues for fantasy baseball.

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Grey Albright's 2025 Player Summary

William Kempner Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days
Last 30 Days
Season
ROS Proj30000003.112320134.364.701.450.3048.78.72.90.022.511.7-14.5

William Kempner 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)
Prospectonator60003360.0264592953284.421.458.04.21.120.110.5-7.4

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 2013-2025.
PeriodTeamGGSQSWLSVHLDBFIPHERHRBBKERAFIPWHIPBABIPHR/9BB/9K/9$
2013 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2014 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2015 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2016 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2017 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2018 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2019 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2020 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2021 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2022 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2023 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2024 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2025 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

William Kempner Stats | Monthly

William Kempner 2025 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 ESPN-21.9-5.3-0.9-19.30.10.2-3.05541093
MLB 10 Y!-16.8-5.4-4.0-9.10.10.7-5.5548906
MLB 12 ESPN-14.5-6.3-0.9-12.00.10.2-2.95501005
MLB 12 Y!-14.5-6.4-3.8-7.20.00.6-5.2552924
MLB 14 ESPN-10.9-7.3-0.9-8.40.10.2-2.95581009
MLB 14 Y!-12.7-7.3-3.6-5.90.00.6-4.8552941
MLB 15 ESPN-10.6-7.8-1.1-7.30.10.2-3.55471062
MLB 15 Y!-12.9-7.8-3.7-5.70.00.5-4.9552973
MLB 16 ESPN-10.8-8.2-1.2-7.10.10.2-3.85361061
MLB 16 Y!-11.7-8.3-3.5-5.10.00.5-4.6546984
AL 10
NL 10-8.1-5.60.1-8.30.00.1-1.0251556
AL 12
NL 12-5.9-6.70.1-6.30.00.1-0.8247564

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 12-11.6-6.3-1.6-7.70.10.2-3.60.00.0557702
6x6 (QS) Y! 12-11.1-6.4-2.9-5.60.00.4-4.00.00.0535666
6x6 (Holds) ESPN 12-56.5-7.4-4.0-22.1-0.10.3-8.00.0-23.6566878
6x6 (Holds) Y! 12-13.6-8.9-2.4-5.6-0.20.2-3.10.0-3.5554721
7x7 ESPN 12-25.3-7.6-2.1-25.8-0.10.1-4.40.06.0467668
7x7 Y! 12-14.6-9.2-2.4-6.1-0.20.2-3.10.0-3.9555722

William Kempner Fantasy Baseball | Preseason Player Rater

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
6x6 (Holds) ESPN 12
7x7 ESPN 12

William Kempner 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)
Prospectonator60003360.0264592953284.421.458.04.21.120.110.5-7.4

William Kempner Fantasy Outlook For 2024

Grey Albright Player Summary

Player data for William Kempner maintained by | Updated: