Joan Pena
P · Wilson Warbirds
- B/T
- L/L
- Size
- 5' 11", 205 lb
- Born
- 2007-09-21 · Herrera, Dominican Republic
- Acquired
- —
Pitching 4.85 ERA, 1.74 WHIP for ACL Brewers. 53rd percentile in ERA among 15 Brewers Rookie pitchers.
Level path
- ROK2025DSL Brewers Gold
- ROK2026ACL Brewers
- A2026Wilson Warbirds
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | ROK | DSL Brewers Gold | 17 | 10 | 6 | 4 | 2 | 0 | 44.1 | 40 | 15 | 42 | 1 | 3.25 | 1.24 | 8.53 | 3.05 | 22.6% | 8.1% | 14.5% |
| 2026 | ROK | ACL Brewers | 18 | 12 | 2 | 2 | 2 | 0 | 39.0 | 39 | 29 | 47 | 2 | 4.85 | 1.74 | 10.85 | 6.69 | 24.7% | 15.3% | 9.5% |
| 2026 | A | Wilson Warbirds | 18 | 5 | 2 | 0 | 1 | 0 | 15.1 | 23 | 16 | 20 | 3 | 12.33 | 2.54 | 11.74 | 9.39 | 24.4% | 19.5% | 4.9% |
Against Brewers farm peers
Pitchers vs Brewers farm players at Rookie, 2026
15 in the group. His line: 39.0 IP. ACL and DSL players share one Rookie group.
| Stat | Value | Percentile |
|---|---|---|
| Earned run average: earned runs allowed per nine innings. | 4.85 | 53 |
| Walks plus hits allowed per inning pitched. | 1.74 | 23 |
| Strikeout rate: strikeouts divided by batters faced. | 24.7% | 70 |
| Walk rate: walks divided by batters faced. | 15.3% | 30 |
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 Single-A: 15.1 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 4 | @ Fredericksburg Nationals | L | A | Wilson Warbirds | 0 | 3.1 | 4 | 5 | 5 | 4 | 5 |
| Aug 29 | Hickory Crawdads | L | A | Wilson Warbirds | 1 | 3.0 | 4 | 4 | 4 | 3 | 5 |
| Aug 23 | @ Salem RidgeYaks | W | A | Wilson Warbirds | 0 | 3.0 | 1 | 2 | 1 | 4 | 3 |
| Aug 18 | @ Salem RidgeYaks | L | A | Wilson Warbirds | 1 | 2.1 | 9 | 10 | 10 | 3 | 2 |
| Aug 12 | Columbia Fireflies | W | A | Wilson Warbirds | 0 | 3.2 | 5 | 1 | 1 | 2 | 5 |
| Jul 20 | ACL White Sox | L | ROK | ACL Brewers | 0 | 1.2 | 3 | 0 | 0 | 0 | 4 |
| Jul 15 | @ ACL Rangers | L | ROK | ACL Brewers | 0 | 2.0 | 3 | 3 | 3 | 3 | 5 |
| Jul 7 | @ ACL Reds | L | ROK | ACL Brewers | 0 | 2.2 | 4 | 3 | 1 | 1 | 4 |
| Jun 30 | ACL Padres | L | ROK | ACL Brewers | 0 | 4.0 | 7 | 6 | 3 | 3 | 3 |
| Jun 23 | ACL Angels | W | ROK | ACL Brewers | 1 | 6.0 | 3 | 1 | 1 | 4 | 4 |
| Jun 16 | ACL White Sox | W | ROK | ACL Brewers | 1 | 5.0 | 2 | 0 | 0 | 0 | 6 |
| Jun 9 | ACL Guardians | L | ROK | ACL Brewers | 0 | 3.1 | 1 | 1 | 0 | 3 | 6 |
| Jun 2 | @ ACL Royals | L | ROK | ACL Brewers | 0 | 2.0 | 2 | 2 | 2 | 3 | 2 |
| May 26 | ACL Cubs | W | ROK | ACL Brewers | 0 | 4.1 | 5 | 5 | 3 | 4 | 2 |
| May 19 | ACL Angels | L | ROK | ACL Brewers | 0 | 2.2 | 5 | 5 | 4 | 3 | 2 |
| May 12 | @ ACL Athletics | L | ROK | ACL Brewers | 0 | 2.0 | 2 | 4 | 4 | 4 | 3 |
| May 5 | ACL Dodgers | L | ROK | ACL Brewers | 0 | 3.1 | 2 | 1 | 0 | 1 | 6 |
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 4, 2026.
Major leagues
No major-league games on record.
Posts about him
None yet.
Stats from the MLB Stats API, through Oct 9, 2026.