Seth Halvorsen #54
Colorado Rockies
- P
- B/T: R/R
- 6' 2"/243
- Age: 26
- 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
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 13 | 1-0 | 2.45 | 14.2 | 20 | 1.23 |
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 6 | 0-0 | 1.50 | 6.0 | 6 | 1.33 |
2025 Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 0 | .000 | 0 | 0 | 0 | .000 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 67 | 8-2 | 3.73 | 72.1 | 89 | 1.40 |
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 60 | 3-3 | 3.88 | 58.0 | 55 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 1 | 0 | 2.45 | 13 | 0 | 3 | 14.2 | 20 | 1.23 |
| 2026 MLB Stats | 0 | 0 | 1.50 | 6 | 0 | 0 | 6.0 | 6 | 1.33 |
| MiLB Career Stats | 8 | 2 | 3.73 | 67 | 0 | 12 | 72.1 | 89 | 1.40 |
| MLB Career Stats | 3 | 3 | 3.88 | 60 | 0 | 13 | 58.0 | 55 | 1.38 |
- Next COL Game: 5-19 vs TEX
Splits
| Duration | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 0 | 0 | 1.50 | 6 | 0 | 0 | 6.0 | 4 | 1 | 4 | 6 | 1.33 |
| Last 15 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 30 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 3 Games | W | L | SV | IP | H | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|
| 5/17 vs AZ | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 2 |
| 5/15 vs AZ | 0 | 0 | 0 | 1.0 | 1 | 0 | 1 | 1 |
| 5/12 @ PIT | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 1 |
2026 :
RP
(6)
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
|
May 9, 2026 | Colorado Rockies recalled RHP Seth Halvorsen from Albuquerque Isotopes. |
|
April 27, 2026 | Colorado Rockies optioned RHP Seth Halvorsen to Albuquerque Isotopes. |
|
|
April 23, 2026 | Colorado Rockies recalled RHP Seth Halvorsen from Albuquerque Isotopes. |
|
|
March 25, 2026 | Colorado Rockies optioned RHP Seth Halvorsen to Albuquerque Isotopes. |
|
|
September 29, 2025 | Colorado Rockies activated RHP Seth Halvorsen from the 15-day injured list. |
|
|
August 3, 2025 | Colorado Rockies placed RHP Seth Halvorsen on the 15-day injured list. Right elbow strain. |
|
|
April 16, 2025 | RHP Seth Halvorsen changed number to 54. |
|
|
April 15, 2025 | RHP Seth Halvorsen changed number to 42. |
|
|
August 30, 2024 | Colorado Rockies selected the contract of RHP Seth Halvorsen from Albuquerque Isotopes. |
|
|
August 2, 2024 | RHP Seth Halvorsen assigned to Albuquerque Isotopes from Hartford Yard Goats. |
|
April 1, 2024 | Hartford Yard Goats activated RHP Seth Halvorsen. |
|
|
April 1, 2024 | RHP Seth Halvorsen assigned to Hartford Yard Goats from ACL Rockies. |
|
|
March 11, 2024 | RHP Seth Halvorsen assigned to Colorado Rockies. |
|
March 7, 2024 | Colorado Rockies Prospects activated RHP Seth Halvorsen. |
|
September 13, 2023 | RHP Seth Halvorsen assigned to ACL Rockies from Hartford Yard Goats. |
|
|
August 22, 2023 | RHP Seth Halvorsen assigned to Hartford Yard Goats from Spokane Indians. |
|
August 3, 2023 | Spokane Indians activated RHP Seth Halvorsen. |
|
|
August 3, 2023 | RHP Seth Halvorsen assigned to Spokane Indians from ACL Rockies. |
|
|
July 27, 2023 | RHP Seth Halvorsen assigned to ACL Rockies. |
|
|
July 18, 2023 | Colorado Rockies signed RHP Seth Halvorsen. |
|
February 3, 2023 | RHP Seth Halvorsen assigned to Tennessee Volunteers. |
|
|
February 3, 2023 | Tennessee Volunteers activated RHP Seth Halvorsen. |
|
|
March 1, 2022 | RHP Seth Halvorsen and assigned to Tennessee Volunteers. |
|
February 22, 2020 | RF Seth Halvorsen assigned to Missouri Tigers. |
|
August 8, 2017 | SS Seth Halvorsen assigned to PG West. |
+ Show More Transactions