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Seth Halvorsen
Projections & Stats

COL

Player Information

TeamCOL PosRP Age26
ThrowsR $/Game0.3 RCL R%8
Razzball 2026 rest of season projections for Seth Halvorsen of the Colorado Rockies have him as the #423 ranked player and #97 relief pitcher (RP) worth $-7.7 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
Season
ROS Proj47002231246.82024721621404.054.891.470.3229.07.74.01.220.010.5-7.7

Seth Halvorsen 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)3458.0544.411.458.4-4.0369
Preseason (Steamer)47002231246.8201472240214.834.881.467.74.11.219.910.5-6.5490
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 ESPN-12.5-4.0-0.2-10.7-0.1-0.9-1.6103442
MLB 10 Y!
MLB 12 ESPN-7.7-4.5-0.1-6.70.0-0.7-1.297423
MLB 12 Y!
MLB 14 ESPN-6.3-5.0-0.2-4.90.0-0.8-1.4120481
MLB 14 Y!
MLB 15 ESPN-7.0-5.2-0.3-4.3-0.1-1.2-2.1162564
MLB 15 Y!
MLB 16 ESPN-5.6-5.4-0.2-3.90.0-0.9-1.6142535
MLB 16 Y!
AL 10
NL 10-2.5-3.90.0-3.30.00.0-0.225235
AL 12
NL 12-1.2-4.30.0-2.10.00.0-0.125261

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 12-5.8-4.5-0.2-4.30.0-0.8-1.50.00.0175271
6x6 (QS) Y! 12
6x6 (Holds) ESPN 12-18.4-5.5-0.2-23.30.1-0.8-1.50.06.377240
6x6 (Holds) Y! 12
7x7 ESPN 12-20.2-5.5-0.1-28.30.1-0.4-0.80.08.358201
7x7 Y! 12

Seth Halvorsen Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-9.1-4.5-0.3-7.00.0-1.2-1.6147479
MLB 10 Y!-3.5-2.4-0.3-1.4-0.1-1.0-1.7212430
MLB 12 ESPN-6.5-4.4-0.1-4.80.0-1.0-1.6141490
MLB 12 Y!-4.4-2.9-0.4-1.4-0.1-1.3-2.2210464
MLB 14 ESPN-3.8-4.30.0-3.00.0-0.6-1.2136487
MLB 14 Y!-5.0-3.3-0.5-1.2-0.2-1.5-2.6214503
MLB 15 ESPN-3.5-4.20.0-2.50.0-0.6-1.4139507
MLB 15 Y!-5.6-3.5-0.6-1.1-0.3-1.7-2.9220541
MLB 16 ESPN-3.1-4.20.0-2.40.1-0.5-1.3137528
MLB 16 Y!-6.1-3.7-0.7-1.2-0.3-1.8-3.1217564
AL 10
NL 10-1.8-4.00.0-2.10.0-0.2-0.534247
AL 12
NL 12-0.6-3.80.0-1.20.0-0.1-0.332272

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 12-5.3-4.4-0.2-3.20.0-1.1-1.80.0199305
6x6 (Holds) ESPN 12-5.3-4.4-0.2-3.20.0-1.1-1.80.066305
7x7 ESPN 12-25.2-5.8-1.3-8.9-0.8-3.4-4.40.0-7.4146341

Seth Halvorsen 2026 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)3458.0544.411.458.4-4.0369
Preseason (Steamer)47002231246.8201472240214.834.881.467.74.11.219.910.5-6.5490
Prospectonator

Seth Halvorsen Fantasy Outlook For 2026

Grey Albright Player Summary

Player data for Seth Halvorsen maintained by | Updated: