Seth Halvorsen #54
Colorado Rockies
- P
- B/T: R/R
- 6' 2"/225
- Age: 25
- Seth Michael Halvorsen
- Status: Active
- Born: 2/18/2000 in Chicago, IL
- Draft: 2023, Colorado Rockies, Round: 7, Overall Pick: 202
- College: Tennessee
- MLB Debut: 8/30/2024
2025 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 42 | 1-2 | 4.99 | 39.2 | 36 | 1.56 |
2025 Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 0 | .000 | 0 | 0 | 0 | .000 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 54 | 7-2 | 4.06 | 57.2 | 69 | 1.44 |
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 54 | 3-3 | 4.15 | 52.0 | 49 | 1.38 |
MLB Career Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 0 | .000 | 0 | 0 | 0 | .000 |
| Year | AB | R | H | HR | RBI | SB | AVG | OBP | OPS |
|---|---|---|---|---|---|---|---|---|---|
| 2025 MLB Stats | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 |
| MLB Career Stats | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2025 MLB Stats | 1 | 2 | 4.99 | 42 | 0 | 11 | 39.2 | 36 | 1.56 |
| MiLB Career Stats | 7 | 2 | 4.06 | 54 | 0 | 9 | 57.2 | 69 | 1.44 |
| MLB Career Stats | 3 | 3 | 4.15 | 54 | 0 | 13 | 52.0 | 49 | 1.38 |
- Next Game:
Splits
| Duration | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 0 | 0 | 10.80 | 7 | 0 | 4 | 5.0 | 6 | 6 | 6 | 4 | 2.40 |
| Last 15 Games | 1 | 1 | 5.54 | 15 | 0 | 8 | 13.0 | 14 | 8 | 9 | 11 | 1.77 |
| Last 30 Games | 1 | 2 | 5.33 | 30 | 0 | 10 | 27.0 | 29 | 16 | 15 | 25 | 1.63 |
| Duration | AB | R | H | HR | RBI | BB | SO | SB | AVG | OBP | SLG |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | - | - | - | - | - | - | - | - | --- | --- | --- |
| Last 15 Games | - | - | - | - | - | - | - | - | --- | --- | --- |
| Last 30 Games | - | - | - | - | - | - | - | - | --- | --- | --- |
| Last 3 Games | W | L | SV | IP | H | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|
| 8/2 vs PIT | 0 | 0 | 0 | 0.0 | 0 | 0 | 1 | 0 |
| 7/28 @ CLE | 0 | 0 | 1 | 1.0 | 1 | 1 | 2 | 1 |
| 7/25 @ BAL | 0 | 0 | 1 | 1.0 | 0 | 0 | 0 | 0 |
| Last 3 Games | AB | R | H | HR | RBI | BB | SO | SB |
|---|---|---|---|---|---|---|---|---|
| 6/2 @ MIA | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
2025 :
RP
(42)
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
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September 29, 2025 | Colorado Rockies activated RHP Seth Halvorsen from the 15-day injured list. |
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August 3, 2025 | Colorado Rockies placed RHP Seth Halvorsen on the 15-day injured list. Right elbow strain. |
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April 16, 2025 | RHP Seth Halvorsen changed number to 54. |
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April 15, 2025 | RHP Seth Halvorsen changed number to 42. |
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August 30, 2024 | Colorado Rockies selected the contract of RHP Seth Halvorsen from Albuquerque Isotopes. |
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August 2, 2024 | RHP Seth Halvorsen assigned to Albuquerque Isotopes from Hartford Yard Goats. |
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April 1, 2024 | Hartford Yard Goats activated RHP Seth Halvorsen. |
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April 1, 2024 | RHP Seth Halvorsen assigned to Hartford Yard Goats from ACL Rockies. |
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March 11, 2024 | RHP Seth Halvorsen assigned to Colorado Rockies. |
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March 7, 2024 | Colorado Rockies Prospects activated RHP Seth Halvorsen. |
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September 13, 2023 | RHP Seth Halvorsen assigned to ACL Rockies from Hartford Yard Goats. |
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August 22, 2023 | RHP Seth Halvorsen assigned to Hartford Yard Goats from Spokane Indians. |
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August 3, 2023 | Spokane Indians activated RHP Seth Halvorsen. |
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August 3, 2023 | RHP Seth Halvorsen assigned to Spokane Indians from ACL Rockies. |
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July 27, 2023 | RHP Seth Halvorsen assigned to ACL Rockies. |
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July 18, 2023 | Colorado Rockies signed RHP Seth Halvorsen. |
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February 3, 2023 | Tennessee Volunteers activated RHP Seth Halvorsen. |
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February 3, 2023 | RHP Seth Halvorsen assigned to Tennessee Volunteers. |
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March 1, 2022 | RHP Seth Halvorsen and assigned to Tennessee Volunteers. |
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February 22, 2020 | RF Seth Halvorsen assigned to Missouri Tigers. |
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August 8, 2017 | SS Seth Halvorsen assigned to PG West. |
+ Show More Transactions