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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 #788 ranked player and #427 relief pitcher (RP) worth $-7.4 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 Proj30000003.11224.430.0

William Kempner 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)3200220332.4142311730164.814.761.478.34.61.121.011.5-7.4793
Prospectonator60003360.0263573057314.461.468.54.61.221.511.6-5.7

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 ESPN0.00.0-0.17.51.6157637
MLB 10 Y!0.00.0-2.3-2.10.139201
MLB 12 ESPN-7.4-5.4-0.4-6.10.0-0.3-1.6427788
MLB 12 Y!0.00.0-2.6-2.00.140561
MLB 14 ESPN0.00.00.011.71.61761263
MLB 14 Y!0.00.0-2.3-1.50.460247
MLB 15 ESPN-6.3-6.7-0.3-5.80.1-0.1-1.2394787
MLB 15 Y!0.00.0-2.2-1.40.465933
MLB 16 ESPN0.00.00.018.51.7173749
MLB 16 Y!0.00.0-2.4-1.40.566933
AL 10
NL 100.09.21.41667
AL 12
NL 120.012.11.41549

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 120.08.01.40.00.01328
6x6 (QS) Y! 12-2.0-1.60.1-0.10.01328
6x6 (Holds) ESPN 120.0-4.21.20.0-1.41328
6x6 (Holds) Y! 12-1.9-1.10.00.0-0.61375
7x7 ESPN 120.0-6.90.80.01.01328
7x7 Y! 12-1.8-1.10.0-0.1-0.61721

William Kempner Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-11.6-5.5-0.8-8.7-0.1-0.8-2.2437810
MLB 10 Y!-5.3-3.1-0.7-2.5-0.2-0.6-2.3427677
MLB 12 ESPN-7.4-5.4-0.4-6.10.0-0.3-1.6427793
MLB 12 Y!-6.3-3.7-0.9-2.7-0.2-0.6-2.9420691
MLB 14 ESPN-5.7-5.6-0.2-4.70.0-0.2-1.6433840
MLB 14 Y!-7.5-4.4-1.2-2.6-0.4-0.8-3.5428762
MLB 15 ESPN-5.3-5.7-0.2-4.20.0-0.2-1.7413845
MLB 15 Y!-8.5-4.7-1.4-2.6-0.5-1.0-4.0437799
MLB 16 ESPN-5.1-5.8-0.2-4.20.0-0.1-1.6437886
MLB 16 Y!-8.9-5.0-1.4-2.8-0.5-1.0-4.2419807
AL 10
NL 10-3.8-5.50.1-4.10.0-0.1-0.7206511
AL 12
NL 12-2.8-5.60.0-3.40.00.0-0.4197554

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 12-6.2-5.4-0.6-4.20.0-0.4-2.00.0429539
6x6 (Holds) ESPN 12-6.2-5.4-0.6-4.20.0-0.4-2.00.080539
7x7 ESPN 12-33.0-10.4-1.9-10.8-0.6-1.5-4.20.0-15.0404637

William Kempner 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)3200220332.4142311730164.814.761.478.34.61.121.011.5-7.4793
Prospectonator60003360.0263573057314.461.468.54.61.221.511.6-5.7

William Kempner Fantasy Outlook For 2024

Grey Albright Player Summary

Player data for William Kempner maintained by | Updated: