AA
Jack Seppings
P · Biloxi Shuckers
- B/T
- R/R
- Size
- 6' 1", 190 lb
- Born
- 2002-07-03 · Stillwater, MN, USA
- Acquired
- —
Pitching 4.40 ERA, 1.12 WHIP for Biloxi Shuckers. 90th percentile in ERA among 15 Brewers Double-A pitchers.
Level path
- A2024Carolina Mudcats
- A2025Carolina Mudcats
- A+2025Wisconsin Timber Rattlers
- A+2026Wisconsin Timber Rattlers
- AA2026Biloxi Shuckers
- AAA2026Nashville Sounds
Pitching
| Year | Lvl | Club | Age | Games pitched in. | Games started. | Wins. | Losses. | Saves. | Innings pitched. The digit after the point is outs: 110.1 is 110 innings and one out. | Hits allowed. | Walks allowed. | Strikeouts. | Home runs allowed. | Earned run average: earned runs allowed per nine innings. | Walks plus hits allowed per inning pitched. | Strikeouts per nine innings. | Walks per nine innings. | Strikeout rate: strikeouts divided by batters faced. | Walk rate: walks divided by batters faced. | Strikeout rate minus walk rate, both as a share of batters faced. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | A | Carolina Mudcats | 21 | 3 | 0 | 1 | 0 | 0 | 4.0 | 5 | 3 | 2 | 0 | 9.00 | 2.00 | 4.50 | 6.75 | 9.5% | 14.3% | -4.8% |
| 2025 | A | Carolina Mudcats | 22 | 17 | 0 | 1 | 1 | 4 | 26.0 | 29 | 14 | 31 | 1 | 3.46 | 1.65 | 10.73 | 4.85 | 26.7% | 12.1% | 14.7% |
| 2025 | A+ | Wisconsin Timber Rattlers | 22 | 20 | 0 | 2 | 1 | 1 | 35.1 | 36 | 25 | 25 | 2 | 3.82 | 1.73 | 6.37 | 6.37 | 15.9% | 15.9% | 0.0% |
| 2026 | A+ | Wisconsin Timber Rattlers | 23 | 12 | 0 | 2 | 1 | 1 | 26.2 | 29 | 6 | 21 | 3 | 4.73 | 1.31 | 7.09 | 2.03 | 18.1% | 5.2% | 12.9% |
| 2026 | AA | Biloxi Shuckers | 23 | 14 | 1 | 1 | 4 | 1 | 43.0 | 36 | 12 | 27 | 5 | 4.40 | 1.12 | 5.65 | 2.51 | 15.5% | 6.9% | 8.6% |
| 2026 | AAA | Nashville Sounds | 23 | 2 | 0 | 2 | 0 | 0 | 7.1 | 5 | 3 | 5 | 0 | 0.00 | 1.09 | 6.14 | 3.68 | 17.9% | 10.7% | 7.1% |
Against Brewers farm peers
Pitchers vs Brewers farm players at Double-A, 2026
15 in the group. His line: 43.0 IP.
| Stat | Value | Percentile |
|---|---|---|
| Earned run average: earned runs allowed per nine innings. | 4.40 | 90 |
| Walks plus hits allowed per inning pitched. | 1.12 | 90 |
| Strikeout rate: strikeouts divided by batters faced. | 15.5% | 10 |
| Walk rate: walks divided by batters faced. | 6.9% | 83 |
Ranked among Brewers farm players with at least 30 innings, not the whole league. A high percentile is always good: ERA, WHIP and a pitcher's BB% counts lower as better.
Pitching at Triple-A: 7.1 IP, under the minimum of 30 innings in 2026, so no percentile.
Pitching at High-A: 26.2 IP, under the minimum of 30 innings in 2026, so no percentile.
Game log
Pitching
| Date | Opp | W/L | Lvl | Club | Games started. | Innings pitched. The digit after the point is outs: 110.1 is 110 innings and one out. | Hits allowed. | Runs allowed, earned or not. | Earned runs allowed. | Walks allowed. | Strikeouts. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 12 | @ Pensacola Blue Wahoos | W | AA | Biloxi Shuckers | 0 | 2.0 | 3 | 1 | 1 | 0 | 1 |
| Sep 6 | Birmingham Barons | W | AA | Biloxi Shuckers | 0 | 2.0 | 1 | 0 | 0 | 1 | 1 |
| Aug 30 | Knoxville Smokies | L | AA | Biloxi Shuckers | 0 | 3.0 | 3 | 4 | 4 | 2 | 1 |
| Aug 26 | Knoxville Smokies | W | AA | Biloxi Shuckers | 0 | 2.1 | 2 | 0 | 0 | 0 | 0 |
| Aug 21 | @ Rocket City Trash Pandas | L | AA | Biloxi Shuckers | 0 | 3.2 | 3 | 1 | 1 | 2 | 0 |
| Aug 15 | Pensacola Blue Wahoos | L | AA | Biloxi Shuckers | 0 | 4.0 | 1 | 0 | 0 | 1 | 3 |
| Aug 7 | @ Memphis Redbirds | W | AAA | Nashville Sounds | 0 | 3.2 | 2 | 0 | 0 | 2 | 2 |
| Aug 1 | Charlotte Knights | W | AAA | Nashville Sounds | 0 | 3.2 | 3 | 0 | 0 | 1 | 3 |
| Jul 28 | Montgomery Biscuits | L | AA | Biloxi Shuckers | 1 | 3.0 | 6 | 5 | 5 | 2 | 2 |
| Jul 23 | @ Chattanooga Lookouts | W | AA | Biloxi Shuckers | 0 | 2.2 | 1 | 0 | 0 | 0 | 4 |
| Jul 18 | Pensacola Blue Wahoos | L | AA | Biloxi Shuckers | 0 | 2.2 | 1 | 0 | 0 | 0 | 2 |
| Jul 8 | @ Knoxville Smokies | L | AA | Biloxi Shuckers | 0 | 4.1 | 7 | 7 | 7 | 2 | 4 |
| Jul 2 | Chattanooga Lookouts | W | AA | Biloxi Shuckers | 0 | 4.2 | 3 | 1 | 1 | 0 | 4 |
| Jun 27 | @ Montgomery Biscuits | W | AA | Biloxi Shuckers | 0 | 2.0 | 0 | 0 | 0 | 0 | 1 |
| Jun 17 | Columbus Clingstones | L | AA | Biloxi Shuckers | 0 | 1.2 | 3 | 3 | 2 | 1 | 1 |
| Jun 10 | Birmingham Barons | L | AA | Biloxi Shuckers | 0 | 5.0 | 2 | 1 | 0 | 1 | 3 |
| Jun 4 | @ Cedar Rapids Kernels | W | A+ | Wisconsin Timber Rattlers | 0 | 3.2 | 6 | 3 | 3 | 1 | 2 |
| May 29 | Peoria Chiefs | L | A+ | Wisconsin Timber Rattlers | 0 | 4.1 | 3 | 2 | 1 | 0 | 3 |
| May 22 | @ Great Lakes Loons | L | A+ | Wisconsin Timber Rattlers | 0 | 3.2 | 3 | 2 | 2 | 0 | 4 |
| May 15 | South Bend Cubs | L | A+ | Wisconsin Timber Rattlers | 0 | 1.0 | 2 | 1 | 1 | 0 | 1 |
| May 12 | South Bend Cubs | L | A+ | Wisconsin Timber Rattlers | 0 | 0.1 | 3 | 6 | 4 | 3 | 0 |
| May 6 | @ Peoria Chiefs | W | A+ | Wisconsin Timber Rattlers | 0 | 3.1 | 5 | 0 | 0 | 0 | 2 |
| May 1 | Quad Cities River Bandits | W | A+ | Wisconsin Timber Rattlers | 0 | 1.0 | 2 | 2 | 1 | 0 | 1 |
| Apr 28 | Quad Cities River Bandits | L | A+ | Wisconsin Timber Rattlers | 0 | 2.1 | 1 | 1 | 1 | 0 | 3 |
| Apr 23 | @ Fort Wayne TinCaps | W | A+ | Wisconsin Timber Rattlers | 0 | 1.2 | 1 | 0 | 0 | 0 | 3 |
| Apr 15 | Peoria Chiefs | W | A+ | Wisconsin Timber Rattlers | 0 | 2.1 | 2 | 1 | 1 | 1 | 1 |
| Apr 10 | @ Quad Cities River Bandits | W | A+ | Wisconsin Timber Rattlers | 0 | 2.0 | 1 | 0 | 0 | 1 | 1 |
| Apr 8 | @ Quad Cities River Bandits | W | A+ | Wisconsin Timber Rattlers | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 |
A row is one game he played, newest first. A game he did not play has no row, so a log can have fewer rows than the G column above for the same season: a pitcher who batted once shows one hitting row. Season 2026, through Sep 12, 2026.
Major leagues
No major-league games on record.
Posts about him
None yet.
Stats from the MLB Stats API, through Oct 9, 2026.