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Seth Halvorsen
Seth Halvorsen
Colorado Rockies • Pitcher
Age 26 • 6' 2" • 243 lb
Bats: R • Throws: R
MLB Debut: 2024-08-30
Born: Chicago , IL • USA
Draft: 2023
2026 Stats
W
0
L
1
ERA
4.74
WHIP
1.95
IP
19.0
SO
17
SV
0
HLD
2
G
21
GS
0
Career Stats
W
3
L
4
ERA
4.31
WHIP
1.54
IP
71.0
SO
66
SV
13
HLD
8
G
75
GS
0
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2024 COL 12 — 12.1 2 1 2 13 1.46 0.81
2025 COL 42 — 39.2 1 2 11 36 4.99 1.56
2026 COL 21 — 19.0 — 1 — 17 4.74 1.95
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2024 COL 2—2.0 ———1 0.001.50
2025 COL 10—9.1 12—10 6.751.50
2026 COL 7—5.0 ———4 21.604.00
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-06-30 vs MIA 1.0 4 3 3 1 0 0
2026-06-28 @ MIN 0.2 3 1 1 0 0 1
2026-06-26 @ MIN 1.0 0 0 0 0 1 0
2026-06-15 @ CHC 0.0 1 0 0 1 0 0
2026-06-13 @ ATH 0.2 0 0 0 1 1 0
2026-06-12 @ ATH 0.2 2 2 2 1 1 2
2026-06-09 vs CHC 1.0 0 0 0 1 0 0
2026-06-05 vs MIL 0.2 0 0 0 1 1 0
2026-06-03 @ LAA 1.0 1 0 0 1 0 0
2026-06-01 @ LAA 1.1 1 0 0 0 1 0
2026-05-29 vs SF 1.2 1 0 0 0 2 0
2026-05-24 @ AZ 1.0 3 2 2 0 1 0
2026-05-23 @ AZ 0.1 0 0 0 0 1 0
2026-05-21 @ AZ 1.0 0 0 0 2 2 0
2026-05-19 vs TEX 1.0 2 1 1 2 0 0
2026-05-17 vs AZ 1.0 1 0 0 0 2 0
2026-05-15 vs AZ 1.0 1 0 0 1 1 0
2026-05-12 @ PIT 1.0 0 0 0 0 1 0
2026-05-10 @ PHI 1.0 2 1 1 1 0 0
2026-04-26 @ NYM 1.0 0 0 0 1 0 0
2026-04-23 vs SD 1.0 0 0 0 1 2 0
Transactions
Entire history • newest first.
2026-07-04
Colorado Rockies placed RHP Seth Halvorsen on the 15-day injured list retroactive to July 1, 2026. Right shoulder inflammation.
2026-06-24
Colorado Rockies recalled RHP Seth Halvorsen from Albuquerque Isotopes.
2026-06-17
Colorado Rockies optioned RHP Seth Halvorsen to Albuquerque Isotopes.
2026-05-09
Colorado Rockies recalled RHP Seth Halvorsen from Albuquerque Isotopes.
2026-04-27
Colorado Rockies optioned RHP Seth Halvorsen to Albuquerque Isotopes.
2026-04-23
Colorado Rockies recalled RHP Seth Halvorsen from Albuquerque Isotopes.
2026-03-25
Colorado Rockies optioned RHP Seth Halvorsen to Albuquerque Isotopes.
2025-09-29
Colorado Rockies activated RHP Seth Halvorsen from the 15-day injured list.
2025-08-03
Colorado Rockies placed RHP Seth Halvorsen on the 15-day injured list. Right elbow strain.
2025-04-16
RHP Seth Halvorsen changed number to 54.
2025-04-15
RHP Seth Halvorsen changed number to 42.
2024-08-30
Colorado Rockies selected the contract of RHP Seth Halvorsen from Albuquerque Isotopes.
2024-03-11
RHP Seth Halvorsen assigned to Colorado Rockies.
2023-07-18
Colorado Rockies signed RHP Seth Halvorsen.
Scouting Report
Statcast-style percentiles • Basenerd theme
Season 2026
Ready
Basic Line
Season / Game
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Pitch Arsenal
Usage • Velo • Break • Spin • xwOBA
Pitch N Use% Velo HB IVB Spin xwOBA Whiff% Zone% Chase% BNStuff+ BNCtrl+
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Notes
Primary pitch summary
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Movement Profile (Induced Break)
Pitcher's View: HB vs Rise / Drop (in)
Circles: 12/18/24 in • Dots = pitch types (size ~ pitch count)
Pitch Location Heatmaps
KDE-style blur • fixed zone • catcher POV
vs. LHH
vs. RHH
Zone: left -0.7083 / right 0.7083 • bot 1.595 / top 3.394 • Domain: X [-2,2], Z [0,5]
Statcast Game Log
Per-game pitch metrics from Statcast
Date Pitches Velo BNStuff+ BNCtrl+ Whiff% Zone% Chase% K% BB% xwOBA
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