Jack Seppings
Milwaukee Brewers (ST)P
Age: 23
Bats/Throws: R/R
6'1" / 190
DOB: 7/3/2002
(23 years, 8 months, 30 days)
P
Beta!
Player Dashboard:
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | MIL | A | 21 | 1 | 0 | 0 | 3 | 0 | 4.0 | 4.50 | 6.75 | 0.00 | .357 | 40.0% | 35.7% | 0.0% | 9.00 | 6.33 | 7.68 | ||||||
| 2025 | MIL | A | 22 | 1 | 1 | 4 | 17 | 0 | 26.0 | 10.73 | 4.85 | 0.35 | .412 | 75.7% | 42.0% | 4.2% | 3.46 | 3.53 | 3.77 | ||||||
| 2025 | MIL | A+ | 22 | 2 | 1 | 1 | 20 | 0 | 35.1 | 6.37 | 6.37 | 0.51 | .324 | 75.6% | 48.6% | 7.7% | 3.82 | 4.85 | 4.84 | ||||||
| 2025 | MIL | MiLB | 22 | 3 | 2 | 5 | 37 | 0 | 61.1 | 8.22 | 5.72 | 0.44 | .358 | 75.6% | 46.0% | 6.0% | 3.67 | 4.29 | 4.39 | ||||||
| 2026 | MIL | ST | 23 | 0 | 0 | 0 | 2 | 0 | 1.1 | 6.75 | 13.50 | 0.00 | .400 | 75.0% | 40.0% | 0.0% | 6.75 | 6.65 | 8.05 | ||||||
| 2026 | Steamer | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.90 | 6.06 | 1.40 | .297 | 69.8% | 42.4% | 5.79 | 5.99 | 5.88 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.6 | 6.05 | 5.18 | 1.32 | .281 | 67.3% | 5.39 | 5.59 | 0.0 | ||||||||
| 2026 | Steamer | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.08 | 6.18 | 1.37 | .297 | 70.0% | 5.73 | 5.95 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.6 | 6.05 | 5.18 | 1.32 | .281 | 67.3% | 5.39 | 5.59 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | MIL | A | 21 | 1 | 0 | 0 | 3 | 0 | 4.0 | 4.50 | 6.75 | 0.00 | .357 | 40.0% | 35.7% | 0.0% | 9.00 | 6.33 | 7.68 | ||||||
| 2025 | MIL | A | 22 | 1 | 1 | 4 | 17 | 0 | 26.0 | 10.73 | 4.85 | 0.35 | .412 | 75.7% | 42.0% | 4.2% | 3.46 | 3.53 | 3.77 | ||||||
| 2025 | MIL | A+ | 22 | 2 | 1 | 1 | 20 | 0 | 35.1 | 6.37 | 6.37 | 0.51 | .324 | 75.6% | 48.6% | 7.7% | 3.82 | 4.85 | 4.84 | ||||||
| 2025 | MIL | MiLB | 22 | 3 | 2 | 5 | 37 | 0 | 61.1 | 8.22 | 5.72 | 0.44 | .358 | 75.6% | 46.0% | 6.0% | 3.67 | 4.29 | 4.39 | ||||||
| 2026 | MIL | ST | 23 | 0 | 0 | 0 | 2 | 0 | 1.1 | 6.75 | 13.50 | 0.00 | .400 | 75.0% | 40.0% | 0.0% | 6.75 | 6.65 | 8.05 | ||||||
| 2026 | Steamer | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.90 | 6.06 | 1.40 | .297 | 69.8% | 42.4% | 5.79 | 5.99 | 5.88 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.6 | 6.05 | 5.18 | 1.32 | .281 | 67.3% | 5.39 | 5.59 | 0.0 | ||||||||
| 2026 | Steamer | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.08 | 6.18 | 1.37 | .297 | 70.0% | 5.73 | 5.95 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.6 | 6.05 | 5.18 | 1.32 | .281 | 67.3% | 5.39 | 5.59 | 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | MIL | A | 1 | 0 | 9.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 21 | 5 | 6 | 4 | 0 | 3 | 0 | 2 | 1 | 0 | 2 | |
| 2025 | MIL | A | 1 | 1 | 3.46 | 17 | 0 | 0 | 0 | 4 | 1 | 1 | 26.0 | 116 | 29 | 12 | 10 | 1 | 14 | 0 | 2 | 1 | 1 | 31 | |
| 2025 | MIL | A+ | 2 | 1 | 3.82 | 20 | 0 | 0 | 0 | 1 | 0 | 1 | 35.1 | 157 | 36 | 17 | 15 | 2 | 25 | 1 | 0 | 2 | 0 | 25 | |
| 2025 | MIL | MiLB | 3 | 2 | 3.67 | 37 | 0 | 0 | 0 | 5 | 1 | 2 | 61.1 | 273 | 65 | 29 | 25 | 3 | 39 | 1 | 2 | 3 | 1 | 56 | |
| 2026 | MIL | ST | 0 | 0 | 6.75 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 8 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.79 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.39 | 1 | 0 | 0 | 0 | 0 | 1.6 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 5.73 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.39 | 1 | 0 | 0 | 0 | 0 | 1.6 | 7 | 2 | 1 | 1 | 0 | 1 | 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | MIL | A | 1 | 0 | 9.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 21 | 5 | 6 | 4 | 0 | 3 | 0 | 2 | 1 | 0 | 2 | |
| 2025 | MIL | A | 1 | 1 | 3.46 | 17 | 0 | 0 | 0 | 4 | 1 | 1 | 26.0 | 116 | 29 | 12 | 10 | 1 | 14 | 0 | 2 | 1 | 1 | 31 | |
| 2025 | MIL | A+ | 2 | 1 | 3.82 | 20 | 0 | 0 | 0 | 1 | 0 | 1 | 35.1 | 157 | 36 | 17 | 15 | 2 | 25 | 1 | 0 | 2 | 0 | 25 | |
| 2025 | MIL | MiLB | 3 | 2 | 3.67 | 37 | 0 | 0 | 0 | 5 | 1 | 2 | 61.1 | 273 | 65 | 29 | 25 | 3 | 39 | 1 | 2 | 3 | 1 | 56 | |
| 2026 | MIL | ST | 0 | 0 | 6.75 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 8 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.79 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.39 | 1 | 0 | 0 | 0 | 0 | 1.6 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 5.73 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.39 | 1 | 0 | 0 | 0 | 0 | 1.6 | 7 | 2 | 1 | 1 | 0 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | MIL | A | 4.50 | 6.75 | 0.67 | 0.00 | 9.5% | 14.3% | -4.8% | .313 | 2.00 | .357 | 40.0% | 226 | 164 | 6.33 | ||||
| 2025 | MIL | A | 10.73 | 4.85 | 2.21 | 0.35 | 26.7% | 12.1% | 14.7% | .290 | 1.65 | .412 | 75.7% | 83 | 88 | 3.53 | ||||
| 2025 | MIL | A+ | 6.37 | 6.37 | 1.00 | 0.51 | 15.9% | 15.9% | 0.0% | .273 | 1.73 | .324 | 75.6% | 92 | 117 | 4.85 | ||||
| 2025 | MIL | MiLB | 8.22 | 5.72 | 1.44 | 0.44 | 20.5% | 14.3% | 6.2% | .280 | 1.70 | .358 | 75.6% | 88 | 105 | 4.29 | ||||
| 2026 | MIL | ST | 6.75 | 13.50 | 0.50 | 0.00 | 12.5% | 25.0% | -12.5% | .333 | 3.00 | .400 | 75.0% | 131 | 128 | 6.65 | ||||
| 2026 | Steamer | PROJ | 5.90 | 6.06 | 0.98 | 1.40 | 14.0% | 14.3% | -0.4% | .275 | 1.77 | .297 | 69.8% | 5.99 | ||||||
| 2026 | OOPSY | PROJ | 6.05 | 5.18 | 1.17 | 1.32 | 14.9% | 12.8% | 2.1% | .259 | 1.58 | .281 | 67.3% | 5.59 | ||||||
| 2026 | Steamer | ROS | 6.08 | 6.18 | 0.98 | 1.37 | 14.4% | 14.6% | -0.2% | .273 | 1.77 | .297 | 70.0% | 5.95 | ||||||
| 2026 | OOPSY | ROS | 6.05 | 5.18 | 1.17 | 1.32 | 14.9% | 12.8% | 2.1% | .259 | 1.58 | .281 | 67.3% | 5.59 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | MIL | A | 4.50 | 6.75 | 0.67 | 0.00 | 9.5% | 14.3% | -4.8% | .313 | 2.00 | .357 | 40.0% | 226 | 164 | 6.33 | ||||
| 2025 | MIL | A | 10.73 | 4.85 | 2.21 | 0.35 | 26.7% | 12.1% | 14.7% | .290 | 1.65 | .412 | 75.7% | 83 | 88 | 3.53 | ||||
| 2025 | MIL | A+ | 6.37 | 6.37 | 1.00 | 0.51 | 15.9% | 15.9% | 0.0% | .273 | 1.73 | .324 | 75.6% | 92 | 117 | 4.85 | ||||
| 2025 | MIL | MiLB | 8.22 | 5.72 | 1.44 | 0.44 | 20.5% | 14.3% | 6.2% | .280 | 1.70 | .358 | 75.6% | 88 | 105 | 4.29 | ||||
| 2026 | MIL | ST | 6.75 | 13.50 | 0.50 | 0.00 | 12.5% | 25.0% | -12.5% | .333 | 3.00 | .400 | 75.0% | 131 | 128 | 6.65 | ||||
| 2026 | Steamer | PROJ | 5.90 | 6.06 | 0.98 | 1.40 | 14.0% | 14.3% | -0.4% | .275 | 1.77 | .297 | 69.8% | 5.99 | ||||||
| 2026 | OOPSY | PROJ | 6.05 | 5.18 | 1.17 | 1.32 | 14.9% | 12.8% | 2.1% | .259 | 1.58 | .281 | 67.3% | 5.59 | ||||||
| 2026 | Steamer | ROS | 6.08 | 6.18 | 0.98 | 1.37 | 14.4% | 14.6% | -0.2% | .273 | 1.77 | .297 | 70.0% | 5.95 | ||||||
| 2026 | OOPSY | ROS | 6.05 | 5.18 | 1.17 | 1.32 | 14.9% | 12.8% | 2.1% | .259 | 1.58 | .281 | 67.3% | 5.59 |
