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William Kempner
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MIA

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TeamMIA PosRP Age25
ThrowsR $/Game-3.5 RCL R%0

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Razzball 2026 rest of season projections for William Kempner of the Miami Marlins have him as the #762 ranked player and #335 relief pitcher (RP) worth $-12.4 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 Days20000002.314200030.000.460.870.3007.811.70.00.028.60.0-2.3
Last 30 Days30000003.314200040.000.630.610.3005.510.90.00.028.60.0-4.8
Season30000003.317200040.000.700.600.2505.510.90.00.029.40.0-12.4
ROS Proj1900110319.485179210204.154.391.410.2967.99.34.60.923.912.0-12.2

William Kempner 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)2600110326.4117251425144.744.701.478.44.61.021.011.6-9.7790
Prospectonator60003360.0264542863324.201.429.54.81.123.912.0-5.5

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$
Jun 5TB71.35131000100.001.610.75-4.8
May 31@NYM61.36282000300.00-1.431.5010.0
May 30@NYM81.03120000000.003.060.00-14.6
May 5BAL81.0380000100.001.140.00-7.0

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 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2026MIA3000000173.0200040.000.700.600.2500.00.010.9-12.4

William Kempner Stats | Monthly

William Kempner 2026 fantasy value by month for 5x5 leagues.
GGSQSWLSVHLDIPHERKBBERAFIPWHIPBABIPH/9K/9BB/9HR/9$$/G$
May10000001.000100.001.030.000.0000.09.00.00.0-9.01.7

William Kempner Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-18.0-4.6-0.4-17.30.1-0.1-1.3326794
MLB 10 Y!-18.0-4.6-0.4-17.30.1-0.1-1.3326797
MLB 12 ESPN-12.4-5.2-0.5-11.30.0-0.1-1.5335762
MLB 12 Y!-12.4-5.2-0.5-11.30.0-0.1-1.5335763
MLB 14 ESPN-10.1-6.0-0.6-8.50.0-0.2-1.8335772
MLB 14 Y!-10.1-6.0-0.6-8.50.0-0.2-1.8335782
MLB 15 ESPN-9.9-6.4-0.8-7.50.0-0.3-2.3335813
MLB 15 Y!-9.9-6.4-0.8-7.50.0-0.3-2.3335818
MLB 16 ESPN-9.5-6.7-0.8-7.10.0-0.3-2.3339840
MLB 16 Y!-9.5-6.7-0.8-7.10.0-0.3-2.3339840
AL 10
NL 10-7.0-4.80.1-7.50.00.0-0.6143434
AL 12
NL 12-5.8-5.70.1-6.40.00.0-0.5126420

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 12-9.4-5.2-0.9-7.30.0-0.2-2.00.00.0335454
6x6 (QS) Y! 12-9.4-5.2-0.9-7.30.0-0.2-2.00.00.0335454
6x6 (Holds) ESPN 12-32.6-6.8-1.5-21.50.1-0.2-2.70.0-7.8339564
6x6 (Holds) Y! 12-32.6-6.8-1.5-21.50.1-0.2-2.70.0-7.8339564
7x7 ESPN 12-40.5-6.7-0.8-27.00.1-0.1-1.50.0-12.2337546
7x7 Y! 12-40.5-6.7-0.8-27.00.1-0.1-1.50.0-12.2337546

William Kempner Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-12.6-5.7-1.1-9.2-0.1-0.6-2.6409805
MLB 10 Y!-5.8-3.3-0.9-2.6-0.1-0.4-2.8394644
MLB 12 ESPN-9.7-5.8-0.7-6.9-0.1-0.4-2.6392790
MLB 12 Y!-7.3-4.0-1.2-2.8-0.2-0.6-3.5395685
MLB 14 ESPN-6.6-5.9-0.4-4.90.0-0.2-2.1393787
MLB 14 Y!-8.5-4.7-1.5-2.7-0.3-0.8-4.2394730
MLB 15 ESPN-6.5-6.0-0.4-4.4-0.1-0.2-2.4394808
MLB 15 Y!-9.4-5.1-1.7-2.6-0.4-0.9-4.8398757
MLB 16 ESPN-6.0-6.1-0.3-4.30.0-0.2-2.2392834
MLB 16 Y!-10.3-5.4-1.9-2.8-0.5-1.0-5.1400805
AL 10
NL 10-4.0-5.90.1-4.20.0-0.1-0.8187449
AL 12
NL 12-2.9-6.10.1-3.40.00.0-0.6166470

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 12-8.3-5.8-1.1-4.6-0.1-0.5-3.00.0402525
6x6 (Holds) ESPN 12-8.3-5.8-1.1-4.6-0.1-0.5-3.00.076525
7x7 ESPN 12-48.7-10.1-3.8-12.8-1.0-1.8-7.20.0-23.1376674

William Kempner 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)2600110326.4117251425144.744.701.478.44.61.021.011.6-9.7790
Prospectonator60003360.0264542863324.201.429.54.81.123.912.0-5.5

William Kempner Fantasy Outlook For 2026

Grey Albright Player Summary

Player data for William Kempner maintained by | Updated: