Seth Halvorsen
Colorado Rockies (AA)P
Age: 24
Bats/Throws: R/R
6'2" / 225
DOB: 2/18/2000
(24 years, 5 months, 6 days)
P
Quick Links
More
Stats
Stat Groups:
Select
You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | COL | CPX | 23 | 2 | 0 | 0 | 2 | 0 | 2.1 | 11.57 | 0.00 | 0.00 | .429 | 100.0% | 57.1% | 0.0% | 0.00 | 2.37 | 3.25 | ||||||
| 2023 | COL | A+ | 23 | 0 | 0 | 0 | 5 | 0 | 5.0 | 9.00 | 1.80 | 1.80 | .357 | 89.3% | 66.7% | 33.3% | 3.60 | 4.90 | 3.17 | ||||||
| 2023 | COL | AA | 23 | 0 | 0 | 0 | 6 | 0 | 6.0 | 7.50 | 4.50 | 1.50 | .267 | 90.9% | 50.0% | 16.7% | 3.00 | 5.28 | 4.55 | ||||||
| 2024 | COL Rockies (ST) | ST | 24 | 0 | 0 | 0 | 2 | 0 | 2.0 | 4.50 | 9.00 | 0.00 | .250 | 100.0% | 100.0% | 0.0% | 0.00 | 5.74 | 5.74 | ||||||
| 2024 | ZiPS ZiPS | PROJ | 24 | 1 | 2 | 0 | 17 | 0 | 16.3 | 5.52 | 2.76 | 1.10 | .296 | 64.4% | 4.97 | 4.54 | 0.1 | ||||||||
| 2024 | COL | AA | 24 | 3 | 1 | 8 | 30 | 0 | 31.2 | 10.80 | 4.83 | 0.57 | .338 | 65.7% | 46.9% | 8.7% | 4.83 | 3.82 | 3.93 | ||||||
| 2024 | Steamer Steamer (RoS) | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.59 | 4.32 | 1.27 | .315 | 69.6% | 5.15 | 4.89 | 0.0 |
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | COL | CPX | 23 | 2 | 0 | 0 | 2 | 0 | 2.1 | 11.57 | 0.00 | 0.00 | .429 | 100.0% | 57.1% | 0.0% | 0.00 | 2.37 | 3.25 | ||||||
| 2023 | COL | A+ | 23 | 0 | 0 | 0 | 5 | 0 | 5.0 | 9.00 | 1.80 | 1.80 | .357 | 89.3% | 66.7% | 33.3% | 3.60 | 4.90 | 3.17 | ||||||
| 2023 | COL | AA | 23 | 0 | 0 | 0 | 6 | 0 | 6.0 | 7.50 | 4.50 | 1.50 | .267 | 90.9% | 50.0% | 16.7% | 3.00 | 5.28 | 4.55 | ||||||
| 2024 | COL Rockies (ST) | ST | 24 | 0 | 0 | 0 | 2 | 0 | 2.0 | 4.50 | 9.00 | 0.00 | .250 | 100.0% | 100.0% | 0.0% | 0.00 | 5.74 | 5.74 | ||||||
| 2024 | ZiPS ZiPS | PROJ | 24 | 1 | 2 | 0 | 17 | 0 | 16.3 | 5.52 | 2.76 | 1.10 | .296 | 64.4% | 4.97 | 4.54 | 0.1 | ||||||||
| 2024 | COL | AA | 24 | 3 | 1 | 8 | 30 | 0 | 31.2 | 10.80 | 4.83 | 0.57 | .338 | 65.7% | 46.9% | 8.7% | 4.83 | 3.82 | 3.93 | ||||||
| 2024 | Steamer Steamer (RoS) | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.59 | 4.32 | 1.27 | .315 | 69.6% | 5.15 | 4.89 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | COL | CPX | 2 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | |
| 2023 | COL | A+ | 0 | 0 | 3.60 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 5.0 | 21 | 6 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | |
| 2023 | COL | AA | 0 | 0 | 3.00 | 6 | 0 | 0 | 0 | 0 | 2 | 1 | 6.0 | 24 | 5 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 5 | |
| 2024 | COL Rockies (ST) | ST | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2.0 | 7 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | |
| 2024 | ZiPS ZiPS | PROJ | 1 | 2 | 4.97 | 17 | 0 | 0 | 0 | 16.3 | 71 | 18 | 10 | 9 | 2 | 5 | 0 | 0 | 0 | 0 | 10 | ||||
| 2024 | COL | AA | 3 | 1 | 4.83 | 30 | 0 | 0 | 0 | 8 | 3 | 2 | 31.2 | 141 | 29 | 19 | 17 | 2 | 17 | 0 | 4 | 3 | 1 | 38 | |
| 2024 | Steamer Steamer (RoS) | ROS | 0 | 0 | 5.15 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | COL | CPX | 2 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | |
| 2023 | COL | A+ | 0 | 0 | 3.60 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 5.0 | 21 | 6 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | |
| 2023 | COL | AA | 0 | 0 | 3.00 | 6 | 0 | 0 | 0 | 0 | 2 | 1 | 6.0 | 24 | 5 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 5 | |
| 2024 | COL Rockies (ST) | ST | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2.0 | 7 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | |
| 2024 | ZiPS ZiPS | PROJ | 1 | 2 | 4.97 | 17 | 0 | 0 | 0 | 16.3 | 71 | 18 | 10 | 9 | 2 | 5 | 0 | 0 | 0 | 0 | 10 | ||||
| 2024 | COL | AA | 3 | 1 | 4.83 | 30 | 0 | 0 | 0 | 8 | 3 | 2 | 31.2 | 141 | 29 | 19 | 17 | 2 | 17 | 0 | 4 | 3 | 1 | 38 | |
| 2024 | Steamer Steamer (RoS) | ROS | 0 | 0 | 5.15 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAverages
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | COL | CPX | 11.57 | 0.00 | 3.00 | 0.00 | 30.0% | 0.0% | 30.0% | .300 | 1.29 | .429 | 100.0% | 2.37 | ||||||
| 2023 | COL | A+ | 9.00 | 1.80 | 5.00 | 1.80 | 23.8% | 4.8% | 19.0% | .300 | 1.40 | .357 | 89.3% | 4.90 | ||||||
| 2023 | COL | AA | 7.50 | 4.50 | 1.67 | 1.50 | 20.8% | 12.5% | 8.3% | .238 | 1.33 | .267 | 90.9% | 5.28 | ||||||
| 2024 | COL Rockies (ST) | ST | 4.50 | 9.00 | 0.50 | 0.00 | 14.3% | 28.6% | -14.3% | .200 | 1.50 | .250 | 100.0% | 5.74 | ||||||
| 2024 | ZiPS ZiPS | PROJ | 5.52 | 2.76 | 2.00 | 1.10 | 14.1% | 7.0% | 7.0% | .273 | 1.41 | .296 | 64.4% | 4.54 | ||||||
| 2024 | COL | AA | 10.80 | 4.83 | 2.24 | 0.57 | 27.0% | 12.1% | 14.9% | .242 | 1.45 | .338 | 65.7% | 3.82 | ||||||
| 2024 | Steamer Steamer (RoS) | ROS | 7.59 | 4.32 | 1.76 | 1.27 | 18.8% | 10.7% | 8.1% | .272 | 1.56 | .315 | 69.6% | 4.89 |
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | COL | CPX | 11.57 | 0.00 | 3.00 | 0.00 | 30.0% | 0.0% | 30.0% | .300 | 1.29 | .429 | 100.0% | 2.37 | ||||||
| 2023 | COL | A+ | 9.00 | 1.80 | 5.00 | 1.80 | 23.8% | 4.8% | 19.0% | .300 | 1.40 | .357 | 89.3% | 4.90 | ||||||
| 2023 | COL | AA | 7.50 | 4.50 | 1.67 | 1.50 | 20.8% | 12.5% | 8.3% | .238 | 1.33 | .267 | 90.9% | 5.28 | ||||||
| 2024 | COL Rockies (ST) | ST | 4.50 | 9.00 | 0.50 | 0.00 | 14.3% | 28.6% | -14.3% | .200 | 1.50 | .250 | 100.0% | 5.74 | ||||||
| 2024 | ZiPS ZiPS | PROJ | 5.52 | 2.76 | 2.00 | 1.10 | 14.1% | 7.0% | 7.0% | .273 | 1.41 | .296 | 64.4% | 4.54 | ||||||
| 2024 | COL | AA | 10.80 | 4.83 | 2.24 | 0.57 | 27.0% | 12.1% | 14.9% | .242 | 1.45 | .338 | 65.7% | 3.82 | ||||||
| 2024 | Steamer Steamer (RoS) | ROS | 7.59 | 4.32 | 1.76 | 1.27 | 18.8% | 10.7% | 8.1% | .272 | 1.56 | .315 | 69.6% | 4.89 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | Age | divider | W W - Wins | L L - Losses | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | SO SO - Strikeouts | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | FIP FIP - Fielder Independent Pitching on an ERA scale | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | ZiPS ZiPS | PROJ | 24 | 1 | 2 | 17 | 0 | 16.3 | 18 | 10 | 9 | 2 | 5 | 10 | 5.52 | 2.76 | 2.00 | 1.10 | .273 | 1.41 | .296 | 64.4% | 4.97 | 4.54 | 0.1 | |||||
| 2025 | ZiPS ZiPS | PROJ | 25 | 2 | 3 | 31 | 0 | 30.0 | 33 | 16 | 15 | 4 | 8 | 19 | 5.70 | 2.40 | 2.38 | 1.20 | .273 | 1.37 | .296 | 70.6% | 4.50 | 4.52 | 0.1 | |||||
| 2026 | ZiPS ZiPS | PROJ | 26 | 3 | 4 | 44 | 0 | 43.0 | 47 | 22 | 21 | 5 | 11 | 28 | 5.86 | 2.30 | 2.55 | 1.05 | .272 | 1.35 | .300 | 70.6% | 4.40 | 4.23 | 0.3 |
| Season | Team | Level | Age | divider | W W - Wins | L L - Losses | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | SO SO - Strikeouts | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | FIP FIP - Fielder Independent Pitching on an ERA scale | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | ZiPS ZiPS | PROJ | 24 | 1 | 2 | 17 | 0 | 16.3 | 18 | 10 | 9 | 2 | 5 | 10 | 5.52 | 2.76 | 2.00 | 1.10 | .273 | 1.41 | .296 | 64.4% | 4.97 | 4.54 | 0.1 | |||||
| 2025 | ZiPS ZiPS | PROJ | 25 | 2 | 3 | 31 | 0 | 30.0 | 33 | 16 | 15 | 4 | 8 | 19 | 5.70 | 2.40 | 2.38 | 1.20 | .273 | 1.37 | .296 | 70.6% | 4.50 | 4.52 | 0.1 | |||||
| 2026 | ZiPS ZiPS | PROJ | 26 | 3 | 4 | 44 | 0 | 43.0 | 47 | 22 | 21 | 5 | 11 | 28 | 5.86 | 2.30 | 2.55 | 1.05 | .272 | 1.35 | .300 | 70.6% | 4.40 | 4.23 | 0.3 |
