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Seth Halvorsen
Projections & Stats

COL

Player Information

TeamCOL PosRP Age26
ThrowsR $/Game-0.7 RCL R%7
Razzball 2026 rest of season projections for Seth Halvorsen of the Colorado Rockies have him as the #299 ranked player and #38 relief pitcher (RP) worth $-0.6 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

Seth Halvorsen Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days
Last 30 Days
Season41001211439.71724122721364.995.201.560.3189.38.24.81.620.912.2-10.1
ROS Proj650033101664.82796631829554.844.911.460.3209.27.64.01.119.910.5-0.6

Seth Halvorsen 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)3458.0544.411.458.4-4.0368
Preseason (Steamer)650033101664.8279663155294.844.911.477.74.11.119.810.5-0.6299
Prospectonator

Seth Halvorsen Projections | Streamonator (Subscribe/login to see pitcher projections)

Seth Halvorsen 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".

Seth Halvorsen Projections | DFS (Subscribe to see DFS MLB projections)

Seth Halvorsen 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".

Seth Halvorsen Trade Value | Try our free Fantasy Baseball Trade Analyzer to evaluate trade offers.

Seth Halvorsen Game Log | Games Started

OPPDECIPBFPCHRERBBKERAFIPWHIPBABIPHRProj $Act $

Seth Halvorsen Game Log | Last 30 Day Relief Appearances

OPPDECIPStartIPBFPCHRERBBKHRERAFIPWHIP$

Seth Halvorsen Stats | Season

Seth Halvorsen stats and 5x5 fantasy value from 2013-2026.
PeriodTeamGGSQSWLSVHLDBFIPHERHRBBKERAFIPWHIPBABIPHR/9BB/9K/9$
2013 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2014 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2015 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2016 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2017 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2018 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2019 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2020 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2021 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2022 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2023 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2024COL120021224612.08222131.463.900.810.2141.51.59.5-10.1
2025COL41001211417240.04122721364.995.201.560.3181.64.88.2-10.1
2026 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Seth Halvorsen Stats | Monthly

Seth Halvorsen 2026 fantasy value by month for 5x5 leagues.
GGSQSWLSVHLDIPHERKBBERAFIPWHIPBABIPH/9K/9BB/9HR/9$$/G$
March10000101.300100.001.530.000.0000.06.80.00.00.09.7
April1000000010.3126865.234.481.740.3339.97.05.20.9-20.1-16.6
May1100011110.0126965.405.631.800.3709.98.15.41.8-14.4-12.3
June1100114210.7831132.534.251.030.2406.89.32.51.76.91.5
July70000506.397559.957.932.210.3509.97.17.12.8-12.6-11.6

Seth Halvorsen Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN0.00.0-0.11.9-0.3156881
MLB 10 Y!0.00.0-2.35.10.239736
MLB 12 ESPN-0.6-2.20.20.0-0.1-1.3-0.438299
MLB 12 Y!0.00.0-2.66.10.240750
MLB 14 ESPN0.00.00.0-2.00.0175946
MLB 14 Y!0.00.0-2.36.30.560784
MLB 15 ESPN2.0-1.80.31.30.1-0.6-0.133289
MLB 15 Y!0.00.0-2.26.70.565788
MLB 16 ESPN0.00.00.0-6.70.2172941
MLB 16 Y!0.00.0-2.47.30.666788
AL 10
NL 100.0-2.20.61487
AL 12
NL 120.0-8.60.81455

Seth Halvorsen 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 120.00.5-0.10.00.01563
6x6 (QS) Y! 12-2.04.80.2-0.10.01563
6x6 (Holds) ESPN 120.02.8-2.60.00.61563
6x6 (Holds) Y! 12-1.95.30.10.00.81563
7x7 ESPN 120.05.2-2.40.0-0.21563
7x7 Y! 12-1.85.30.1-0.10.81563

Seth Halvorsen Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-3.2-2.80.2-2.0-0.1-1.8-0.538300
MLB 10 Y!0.6-1.20.31.4-0.1-1.5-0.555226
MLB 12 ESPN-0.6-2.20.20.0-0.1-1.3-0.438299
MLB 12 Y!0.3-1.30.21.8-0.2-1.8-0.757258
MLB 14 ESPN1.6-1.50.31.50.0-0.9-0.335294
MLB 14 Y!0.2-1.20.22.3-0.3-2.1-0.960296
MLB 15 ESPN1.9-1.10.31.90.0-1.0-0.337315
MLB 15 Y!0.1-1.00.22.6-0.4-2.3-1.065320
MLB 16 ESPN2.5-0.90.32.20.0-0.8-0.235320
MLB 16 Y!-0.1-1.00.22.7-0.4-2.5-1.168338
AL 10
NL 103.2-1.00.02.60.0-0.3-0.117187
AL 12
NL 124.90.10.04.10.0-0.20.017197

Seth Halvorsen Fantasy Baseball | Preseason Player Rater (non-standard 5x5)

$Point Shares$W$$SV$$ERA$$WHIP$$K$$QS$$HLD$Pos RkTot Rk
6x6 (QS) ESPN 12-0.7-2.20.40.0-0.1-1.5-0.50.056135
6x6 (Holds) ESPN 12-0.7-2.20.40.0-0.1-1.5-0.50.044135
7x7 ESPN 12-6.0-2.30.51.0-0.9-4.7-1.60.0-1.372173

Seth Halvorsen 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)3458.0544.411.458.4-4.0368
Preseason (Steamer)650033101664.8279663155294.844.911.477.74.11.119.810.5-0.6299
Prospectonator

Seth Halvorsen Fantasy Outlook For 2026

Grey Albright Player Summary

Player data for Seth Halvorsen maintained by | Updated: