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Seth Halvorsen
Projections & Stats

COL

Player Information

TeamCOL PosRP Age25
ThrowsR $/Game-1.3 RCL R%5
Razzball 2025 rest of season projections for Seth Halvorsen of the Colorado Rockies have him as the #344 ranked player and #54 relief pitcher (RP) worth $-5.9 in standard 12 team 5x5 mixed leagues for fantasy baseball.

Jump to: Season Stats || Monthly Stats || Game Log || Player Rater || 2024 Fantasy Outlook
Grey Albright's 2025 Player Summary

Seth Halvorsen Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days30001012.7156412313.487.902.960.55620.010.06.73.420.013.3-14.2
Last 30 Days1300011212.05112615124.503.361.420.3339.09.03.80.823.59.8-4.8
Season2100012220.7922211211204.793.991.600.3459.68.74.80.921.712.0-19.9
ROS Proj4300223843.21854319520383.864.751.450.3259.07.94.21.020.310.5-5.8

Seth Halvorsen 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)31054.0564.191.139.3-1.0293
Preseason (Steamer)65003351664.8279653156284.824.801.427.83.81.120.29.9-3.3365
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$
May 25NYY91.05151001100.004.082.00-18.5
May 23NYYHLD81.03130001100.004.081.00-4.7
May 19PHI80.771954401151.430.007.46-99.9
May 17@ARISV91.04140001000.006.091.0036.2
May 16@ARI80.342121110030.000.009.09-88.0
May 11SD91.03100000100.001.110.009.2
May 9SD71.03140000200.00-0.900.0016.7
May 7DET71.76241001300.001.291.2023.2
May 4@SF70.3261000000.000.003.03-59.0
Apr 30ATLHLD81.03150000200.00-0.930.0016.7
Apr 29ATL81.05122110009.003.082.00-46.6
Apr 26CIN81.0380000000.003.030.001.7
Apr 25CIN91.03110000100.001.030.009.2
Apr 22@KCBSV91.04112110009.003.032.00-46.6
Apr 20WSH81.35211000200.000.030.7513.5
Apr 15@LAD81.07263111009.006.024.00-74.3
Apr 10MIL91.04120001100.003.961.00-4.7
Apr 9MIL90.372826331190.000.0015.15-99.9
Apr 4ATH92.06201000200.000.850.5023.8
Apr 2@PHI80.74121001100.000.002.99-40.1
Mar 29@TBSV81.34140000100.001.110.0064.6

Seth Halvorsen Stats | Season

Seth Halvorsen stats and 5x5 fantasy value from 2013-2025.
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
2025COL210001229221.02211211204.793.991.600.3450.94.88.7-19.9

Seth Halvorsen Stats | Monthly

Seth Halvorsen 2025 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
May90001118.0105955.634.281.880.4099.910.15.61.1-11.3-10.3
August10000000.300000.003.030.000.0000.00.00.00.0-12.6-11.1
September90021229.382921.934.851.070.2227.78.71.91.95.81.9

Seth Halvorsen Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-9.4-3.10.3-10.00.1-0.7-0.153348
MLB 10 Y!-5.5-3.01.1-6.00.2-1.7-0.1121349
MLB 12 ESPN-5.9-3.20.3-6.40.1-0.8-0.154344
MLB 12 Y!-4.3-3.20.9-4.60.2-1.7-0.1111355
MLB 14 ESPN-3.4-3.40.3-4.00.1-0.80.057363
MLB 14 Y!-3.1-3.40.8-3.40.1-1.60.0109364
MLB 15 ESPN-2.8-3.40.3-3.10.1-1.0-0.161389
MLB 15 Y!-3.2-3.50.8-3.20.0-1.8-0.1108374
MLB 16 ESPN-2.3-3.50.3-2.70.1-0.9-0.157386
MLB 16 Y!-3.1-3.60.7-2.80.0-1.7-0.2106383
AL 10
NL 10-1.8-2.30.0-2.80.0-0.10.128238
AL 12
NL 12-0.4-2.2-0.1-1.30.0-0.10.129256

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 12-3.5-3.20.5-4.10.2-1.0-0.10.00.076169
6x6 (QS) Y! 12-3.4-3.20.7-3.70.1-1.4-0.20.00.0109205
6x6 (Holds) ESPN 12-15.1-3.20.3-8.9-0.2-2.3-1.00.0-4.075220
6x6 (Holds) Y! 12-3.7-3.60.4-2.6-0.1-1.2-0.40.0-0.779178
7x7 ESPN 12-10.3-3.30.2-11.0-0.1-1.1-0.40.01.152163
7x7 Y! 12-3.8-3.80.5-3.0-0.1-1.2-0.30.0-0.781177

Seth Halvorsen Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-5.9-3.60.2-5.4-0.1-1.3-0.382342
MLB 10 Y!-1.3-1.80.3-0.6-0.2-1.3-0.5120305
MLB 12 ESPN-3.3-3.40.3-3.3-0.1-1.0-0.275365
MLB 12 Y!-2.1-2.00.2-0.5-0.4-1.7-0.7122352
MLB 14 ESPN-1.5-3.10.3-1.80.0-0.8-0.273374
MLB 14 Y!-2.3-2.20.2-0.2-0.4-2.0-0.9120378
MLB 15 ESPN-1.0-2.90.3-1.30.0-0.8-0.274391
MLB 15 Y!-2.6-2.20.20.0-0.5-2.3-1.0122414
MLB 16 ESPN-0.8-2.80.3-1.10.0-0.8-0.269413
MLB 16 Y!-2.9-2.30.2-0.1-0.5-2.4-1.1122437
AL 10
NL 10-0.5-2.30.0-1.00.0-0.4-0.127237
AL 12
NL 120.7-2.00.00.10.0-0.3-0.127256

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 12-2.2-3.40.4-2.2-0.1-1.1-0.20.0104185
6x6 (Holds) ESPN 12-2.2-3.40.4-2.2-0.1-1.1-0.20.060185
7x7 ESPN 12-10.9-3.10.5-5.3-1.1-4.5-1.80.00.3120225

Seth Halvorsen 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)31054.0564.191.139.3-1.0293
Preseason (Steamer)65003351664.8279653156284.824.801.427.83.81.120.29.9-3.3365
Prospectonator

Seth Halvorsen Fantasy Outlook For 2024

Grey Albright Player Summary

Player data for Seth Halvorsen maintained by | Updated: