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Seth Halvorsen COL RP R 

Born: 02/18/2000 Age: 25

FanGraphs Player Page

2025 OPL OPL Player Page

Signed By

Chico’s Groove for $4

On MLB 40-man: YES
Acquired: Drafted 7th Rd '23

Sat 4/12 Sun 4/13 Mon 4/14
@SDP 8:40 PM EDT @SDP 4:10 PM EDT @LAD 10:10 PM EDT

Positions
RP
2026 Earned Positions
RP

All Leagues
Average $2.41 Median $2.00
Old School (5x5)
Average $3.21 Median $3.00

Roster%
67.89%
Change
7Day 9.79%
30Day 37.61%

2025 OPL 2025 OPL Round 1
OPL Roster%
2.92%
OPL Average Salary
$2.86


April 10, 2025 10:06 PM : Halvorsen walked one and struck out one across a scoreless ninth inning Thursday against the Brewers.
Analysis: Halvorsen entered the game with a five-run lead in the ninth inning, so it wasn't a save situation. However, it was still an important outing after he surrendered six runs (three earned) while recording just one out in Wednesday's game. Halvorsen should be in line for at least a share of Colorado's saves moving forward.

MLB Stats

Pitching

YearTeamGGSIP WINS SV K ERA WHIP
2024COL12012.122131.459460.81081
2025COL505.10165.062501.68750

MILB Stats

Pitching

YearTeamGGSIP WINS SV K ERA WHIP
2023COL (CPX)202.12030.000001.28572
2023COL (A+)505.00053.600001.40000
2023COL (AA)606.00053.000001.33333
2024COL (AA)33035.148414.839621.50000
2024COL (AAA)809.011153.000001.33333

Recent Games

Last 10 MLB Games

DateTeamOpponentGSWinSaveHoldIPTBF RERHKBBHBPHR
Apr 10, 2025 COL MIL 0 0 0 0 1.0 4 0 0 0 1 1 0 0
Apr 9, 2025 COL MIL 0 0 0 0 0.1 7 6 3 2 1 3 0 1
Apr 4, 2025 COL ATH 0 0 0 0 2.0 6 0 0 1 2 0 0 0
Apr 2, 2025 COL @PHI 0 0 0 0 0.2 4 0 0 1 1 1 0 0
Mar 29, 2025 COL @TBR 0 0 1 0 1.1 4 0 0 0 1 0 0 0
Sep 29, 2024 COL LAD 0 0 0 0 1.2 5 0 0 0 3 0 0 0
Sep 26, 2024 COL STL 0 0 1 0 1.0 4 0 0 1 1 0 0 0
Sep 22, 2024 COL @LAD 0 0 0 0 0.0 2 2 2 2 0 0 0 2
Sep 21, 2024 COL @LAD 0 0 1 0 1.0 6 0 0 1 1 2 0 0
Sep 16, 2024 COL ARI 0 1 0 0 2.0 7 0 0 2 2 0 0 0
Totals 0 1 3 0 11.0 49 8 5 10 13 7 0 3

Last 10 MILB Games

DateLevelTeamOpponentGSWinSave IPTBFRERHKBBHBPHR
Aug 27, 2024 AAA ABQ RNO 0 0 0 1.0 4 0 0 0 3 1 0 0
Aug 23, 2024 AAA ABQ @SUG 0 0 0 1.0 4 0 0 0 2 1 0 0
Aug 22, 2024 AAA ABQ @SUG 0 0 1 1.0 3 0 0 0 0 0 0 0
Aug 18, 2024 AAA ABQ @RR 0 0 0 1.0 3 0 0 0 3 0 0 0
Aug 15, 2024 AAA ABQ @RR 0 1 0 1.0 7 2 2 5 1 0 0 0
Aug 10, 2024 AAA ABQ SAC 0 0 0 2.0 8 0 0 1 2 1 0 0
Aug 8, 2024 AAA ABQ SAC 0 0 0 1.0 3 0 0 0 2 0 0 0
Aug 3, 2024 AAA ABQ @LV 0 0 0 1.0 6 1 1 2 2 1 0 1
Jul 30, 2024 AA HFD @REA 0 0 0 0.2 5 1 1 2 0 2 0 0
Jul 26, 2024 AA HFD HBG 0 1 0 1.0 4 1 1 1 1 0 0 0
Totals 0 2 1 10.2 47 5 5 11 16 6 0 1

Avg Salary & Roster%

Last 30 days

Mar 16Mar 19Mar 22Mar 25Mar 28Mar 31Apr 3Apr 6Apr 9Apr 12$2.00$3.50100.0%0.0%
Avg $ - All FormatsAvg $ - Old School (5x5)Roster%

2026 Position Eligibility Progress

To gain eligibility, a player must have 5 GS or 10 G at a position in the majors, or 20 G at a position in the minors.
P020
GS - MajorsG - MajorsG - Minors

Transaction History

Date Transaction Type Team Salary
March 2, 2025 9:03 PM add Chico’s Groove $4

Recent Trades for Seth Halvorsen in Old School (5x5)

Date Proposing Team Proposing Team Gives Accepting Team Accepting Team Gives
April 4, 2025 4:12 PM Buster Olney Fans Luke Weaver NYY RP R $4
Austin Riley ATL 3B R $42 
Seth Halvorsen COL RP R $10 
$19 loan 		Never Endy Story Jackson Jobe DET SP/RP R $26 
Cam Smith HOU 3B/OF R $10 
March 30, 2025 11:52 AM The Reggie Jefferson's Seth Halvorsen COL RP R $3 
 Reverse Cowgill 🏇🏻 Masataka Yoshida BOS Util L $15 10IL 
$20 loan
March 17, 2025 10:29 AM Velachery (she/her) Cristopher Sanchez PHI SP L $5 
 SeaWolves Jesus Sanchez MIA OF L $3 10IL 
Joey Bart PIT C R $1 
Jack Leiter TEX SP/RP R $4 15IL
Seth Halvorsen COL RP R $1 
March 12, 2025 9:02 AM Van Buren Boys Brandon Pfaadt ARI SP R $5 
$1 loan 		Kramerica Industries Seth Halvorsen COL RP R $4