AAA
Junior Fernández
P · Left the org (last with Nashville Sounds)
- B/T
- R/R
- Size
- 6' 3", 215 lb
- Born
- 1997-03-02 · Santo Domingo Centro, Dominican Republic
- Acquired
- —
- MLB debut
- 2019-08-11
Pitching 4.65 ERA, 1.45 WHIP for Nashville Sounds. 50th percentile in ERA among 17 Brewers Triple-A pitchers.
Level path
- ROK2014DSL Cardinals
- ROK2015GCL Cardinals
- A+2015Palm Beach Cardinals
- A2016Peoria Chiefs
- A+2016Palm Beach Cardinals
- A+2017Palm Beach Cardinals
- A+2018Palm Beach Cardinals
- AA2018Springfield Cardinals
- A+2019Palm Beach Cardinals
- AA2019Springfield Cardinals
- AAA2019Memphis Redbirds
- AAA2021Memphis Redbirds
- AAA2022Memphis Redbirds
- AAA2022Indianapolis Indians
- AAA2022
- AAA2023Buffalo Bisons
- AAA2023Rochester Red Wings
- AAA2023
- AAA2025Omaha Storm Chasers
- AAA2025Syracuse Mets
- AAA2025
- 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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | ROK | DSL Cardinals | 17 | 7 | 6 | 0 | 5 | 0 | 28.0 | 29 | 12 | 13 | 1 | 5.79 | 1.46 | 4.18 | 3.86 | 10.5% | 9.7% | 0.8% |
| 2015 | ROK | GCL Cardinals | 18 | 11 | 9 | 3 | 2 | 0 | 51.0 | 54 | 15 | 58 | 0 | 3.88 | 1.35 | 10.24 | 2.65 | 26.5% | 6.8% | 19.6% |
| 2015 | A+ | Palm Beach Cardinals | 18 | 2 | 1 | 0 | 0 | 0 | 6.2 | 8 | 2 | 5 | 0 | 1.35 | 1.50 | 6.75 | 2.70 | 17.9% | 7.1% | 10.7% |
| 2016 | A | Peoria Chiefs | 19 | 14 | 14 | 6 | 5 | 0 | 78.1 | 71 | 34 | 63 | 3 | 3.33 | 1.34 | 7.24 | 3.91 | 18.8% | 10.1% | 8.7% |
| 2016 | A+ | Palm Beach Cardinals | 19 | 10 | 6 | 2 | 2 | 0 | 43.2 | 48 | 20 | 25 | 4 | 5.36 | 1.56 | 5.15 | 4.12 | 12.5% | 10.0% | 2.5% |
| 2017 | A+ | Palm Beach Cardinals | 20 | 16 | 16 | 5 | 3 | 0 | 90.1 | 82 | 39 | 58 | 5 | 3.69 | 1.34 | 5.78 | 3.89 | 15.1% | 10.2% | 5.0% |
| 2018 | A+ | Palm Beach Cardinals | 21 | 8 | 0 | 1 | 0 | 3 | 9.2 | 9 | 2 | 7 | 0 | 0.00 | 1.14 | 6.52 | 1.86 | 17.9% | 5.1% | 12.8% |
| 2018 | AA | Springfield Cardinals | 21 | 16 | 0 | 0 | 0 | 0 | 21.0 | 19 | 16 | 17 | 1 | 5.14 | 1.67 | 7.29 | 6.86 | 17.9% | 16.8% | 1.1% |
| 2019 | A+ | Palm Beach Cardinals | 22 | 9 | 0 | 0 | 0 | 4 | 11.2 | 8 | 8 | 11 | 0 | 1.54 | 1.37 | 8.49 | 6.17 | 21.6% | 15.7% | 5.9% |
| 2019 | AA | Springfield Cardinals | 22 | 18 | 0 | 1 | 1 | 5 | 29.0 | 18 | 11 | 42 | 0 | 1.55 | 1.00 | 13.03 | 3.41 | 36.5% | 9.6% | 27.0% |
| 2019 | AAA | Memphis Redbirds | 22 | 18 | 0 | 2 | 1 | 2 | 24.1 | 17 | 11 | 27 | 0 | 1.48 | 1.15 | 9.99 | 4.07 | 26.5% | 10.8% | 15.7% |
| 2021 | AAA | Memphis Redbirds | 24 | 13 | 0 | 1 | 2 | 1 | 14.1 | 18 | 5 | 22 | 3 | 6.28 | 1.60 | 13.81 | 3.14 | 33.3% | 7.6% | 25.8% |
| 2022 | AAA | Memphis Redbirds | 25 | 35 | 0 | 1 | 3 | 5 | 36.1 | 47 | 17 | 43 | 4 | 5.45 | 1.76 | 10.65 | 4.21 | 25.1% | 9.9% | 15.2% |
| 2022 | AAA | Indianapolis Indians | 25 | 6 | 0 | 1 | 0 | 0 | 8.0 | 2 | 6 | 8 | 0 | 2.25 | 1.00 | 9.00 | 6.75 | 25.0% | 18.8% | 6.3% |
| 2022 | AAA | — | 25 | 41 | 0 | 2 | 3 | 5 | 44.1 | 49 | 23 | 51 | 4 | 4.87 | 1.62 | 10.35 | 4.67 | 25.1% | 11.3% | 13.8% |
| 2023 | AAA | Buffalo Bisons | 26 | 42 | 0 | 3 | 2 | 1 | 49.0 | 58 | 26 | 46 | 9 | 5.69 | 1.71 | 8.45 | 4.78 | 19.9% | 11.3% | 8.7% |
| 2023 | AAA | Rochester Red Wings | 26 | 9 | 0 | 0 | 2 | 1 | 9.2 | 11 | 6 | 6 | 1 | 2.79 | 1.76 | 5.59 | 5.59 | 13.6% | 13.6% | 0.0% |
| 2023 | AAA | — | 26 | 51 | 0 | 3 | 4 | 2 | 58.2 | 69 | 32 | 52 | 10 | 5.22 | 1.72 | 7.98 | 4.91 | 18.9% | 11.6% | 7.3% |
| 2025 | AAA | Omaha Storm Chasers | 28 | 31 | 0 | 2 | 5 | 2 | 38.1 | 33 | 26 | 53 | 2 | 4.93 | 1.54 | 12.44 | 6.10 | 30.3% | 14.9% | 15.4% |
| 2025 | AAA | Syracuse Mets | 28 | 4 | 0 | 1 | 0 | 0 | 4.2 | 3 | 1 | 4 | 0 | 0.00 | 0.86 | 7.71 | 1.93 | 22.2% | 5.6% | 16.7% |
| 2025 | AAA | — | 28 | 35 | 0 | 3 | 5 | 2 | 43.0 | 36 | 27 | 57 | 2 | 4.40 | 1.47 | 11.93 | 5.65 | 29.5% | 14.0% | 15.5% |
| 2026 | AAA | Nashville Sounds | 29 | 26 | 0 | 2 | 2 | 3 | 31.0 | 30 | 15 | 28 | 3 | 4.65 | 1.45 | 8.13 | 4.35 | 20.6% | 11.0% | 9.6% |
Hitting
| Year | Lvl | Club | Age | Games played. | Plate appearances: every trip to the plate, walks and hit-by-pitches included. | Hits. | Doubles. | Triples. | Home runs. | Runs scored. | Runs batted in. | Walks. | Strikeouts. | Stolen bases. | Batting average: hits divided by at-bats. | On-base percentage: how often he reaches base by a hit, walk or hit-by-pitch. | Slugging percentage: total bases divided by at-bats. | On-base plus slugging: OBP and SLG added together. | Isolated power: SLG minus AVG. It counts only the extra bases. | Strikeout rate: strikeouts divided by plate appearances. | Walk rate: walks divided by plate appearances. | Batting average on balls in play: hits other than home runs, divided by at-bats that ended with the ball in play. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | AA | Springfield Cardinals | 21 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | — | 0.0% | 0.0% | — |
| 2019 | AA | Springfield Cardinals | 22 | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .333 | .000 | .333 | .000 | 0.0% | 33.3% | .000 |
| 2019 | AAA | Memphis Redbirds | 22 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | — | 0.0% | 0.0% | — |
| 2021 | AAA | Memphis Redbirds | 24 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | — | — | — | — |
| 2022 | AAA | Memphis Redbirds | 25 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | — | — | — | — |
Against Brewers farm peers
Pitchers vs Brewers farm players at Triple-A, 2026
17 in the group. His line: 31.0 IP.
| Stat | Value | Percentile |
|---|---|---|
| Earned run average: earned runs allowed per nine innings. | 4.65 | 50 |
| Walks plus hits allowed per inning pitched. | 1.45 | 35 |
| Strikeout rate: strikeouts divided by batters faced. | 20.6% | 32 |
| Walk rate: walks divided by batters faced. | 11.0% | 26 |
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.
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 10 | @ Charlotte Knights | W | AAA | Nashville Sounds | 0 | 1.0 | 0 | 0 | 0 | 1 | 1 |
| Jul 8 | @ Charlotte Knights | W | AAA | Nashville Sounds | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 |
| Jul 4 | Jacksonville Jumbo Shrimp | W | AAA | Nashville Sounds | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 |
| Jul 1 | Jacksonville Jumbo Shrimp | L | AAA | Nashville Sounds | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 |
| Jun 27 | Gwinnett Stripers | L | AAA | Nashville Sounds | 0 | 1.0 | 1 | 0 | 0 | 0 | 2 |
| Jun 25 | Gwinnett Stripers | W | AAA | Nashville Sounds | 0 | 2.0 | 0 | 0 | 0 | 1 | 1 |
| Jun 21 | @ Memphis Redbirds | L | AAA | Nashville Sounds | 0 | 1.1 | 5 | 4 | 4 | 1 | 1 |
| Jun 17 | @ Memphis Redbirds | W | AAA | Nashville Sounds | 0 | 0.1 | 1 | 1 | 1 | 0 | 1 |
| Jun 16 | @ Memphis Redbirds | L | AAA | Nashville Sounds | 0 | 1.0 | 1 | 1 | 1 | 1 | 0 |
| Jun 12 | Durham Bulls | L | AAA | Nashville Sounds | 0 | 2.0 | 0 | 0 | 0 | 2 | 3 |
| Jun 9 | Durham Bulls | W | AAA | Nashville Sounds | 0 | 1.0 | 2 | 1 | 0 | 0 | 1 |
| Jun 6 | @ Jacksonville Jumbo Shrimp | W | AAA | Nashville Sounds | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 |
| Jun 3 | @ Jacksonville Jumbo Shrimp | L | AAA | Nashville Sounds | 0 | 1.1 | 0 | 0 | 0 | 1 | 1 |
| May 31 | Gwinnett Stripers | W | AAA | Nashville Sounds | 0 | 2.0 | 2 | 1 | 1 | 0 | 2 |
| May 27 | Gwinnett Stripers | L | AAA | Nashville Sounds | 0 | 1.1 | 0 | 0 | 0 | 0 | 2 |
| May 24 | @ Durham Bulls | L | AAA | Nashville Sounds | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 |
| May 22 | @ Durham Bulls | W | AAA | Nashville Sounds | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 |
| May 15 | Iowa Cubs | W | AAA | Nashville Sounds | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 |
| May 14 | Iowa Cubs | W | AAA | Nashville Sounds | 0 | 1.0 | 1 | 0 | 0 | 1 | 1 |
| May 12 | Iowa Cubs | W | AAA | Nashville Sounds | 0 | 1.0 | 2 | 1 | 0 | 0 | 1 |
| May 9 | @ Louisville Bats | L | AAA | Nashville Sounds | 0 | 1.1 | 3 | 2 | 2 | 1 | 1 |
| May 6 | @ Louisville Bats | L | AAA | Nashville Sounds | 0 | 1.0 | 2 | 3 | 3 | 3 | 2 |
| May 2 | Norfolk Tides | L | AAA | Nashville Sounds | 0 | 2.0 | 3 | 1 | 1 | 0 | 3 |
| Apr 29 | Norfolk Tides | W | AAA | Nashville Sounds | 0 | 1.0 | 2 | 1 | 1 | 0 | 1 |
| Apr 25 | @ Charlotte Knights | W | AAA | Nashville Sounds | 0 | 1.0 | 1 | 2 | 2 | 3 | 0 |
| Apr 22 | @ Charlotte Knights | L | AAA | Nashville Sounds | 0 | 1.0 | 0 | 0 | 0 | 0 | 2 |
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 Jul 10, 2026.
Major leagues
Pitching
| Year | 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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | St. Louis Cardinals | 22 | 13 | 0 | 0 | 1 | 0 | 11.2 | 9 | 6 | 16 | 2 | 5.40 | 1.29 | 12.34 | 4.63 | 29.6% | 11.1% | 18.5% |
| 2020 | St. Louis Cardinals | 23 | 3 | 0 | 0 | 0 | 0 | 3.0 | 6 | 2 | 2 | 1 | 18.00 | 2.67 | 6.00 | 6.00 | 12.5% | 12.5% | 0.0% |
| 2021 | St. Louis Cardinals | 24 | 18 | 0 | 1 | 0 | 0 | 20.2 | 25 | 15 | 15 | 2 | 5.66 | 1.94 | 6.53 | 6.53 | 15.5% | 15.5% | 0.0% |
| 2022 | St. Louis Cardinals | 25 | 13 | 0 | 0 | 0 | 0 | 15.1 | 17 | 8 | 12 | 3 | 2.93 | 1.63 | 7.04 | 4.70 | 17.1% | 11.4% | 5.7% |
| 2022 | Pittsburgh Pirates | 25 | 3 | 0 | 0 | 0 | 0 | 3.1 | 1 | 4 | 2 | 0 | 0.00 | 1.50 | 5.40 | 10.80 | 14.3% | 28.6% | -14.3% |
| 2022 | 2 teams | 25 | 16 | 0 | 0 | 0 | 0 | 18.2 | 18 | 12 | 14 | 3 | 2.41 | 1.61 | 6.75 | 5.79 | 16.7% | 14.3% | 2.4% |
Hitting
| Year | Club | Age | Games played. | Plate appearances: every trip to the plate, walks and hit-by-pitches included. | Hits. | Doubles. | Triples. | Home runs. | Runs scored. | Runs batted in. | Walks. | Strikeouts. | Stolen bases. | Batting average: hits divided by at-bats. | On-base percentage: how often he reaches base by a hit, walk or hit-by-pitch. | Slugging percentage: total bases divided by at-bats. | On-base plus slugging: OBP and SLG added together. | Isolated power: SLG minus AVG. It counts only the extra bases. | Strikeout rate: strikeouts divided by plate appearances. | Walk rate: walks divided by plate appearances. | Batting average on balls in play: hits other than home runs, divided by at-bats that ended with the ball in play. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | St. Louis Cardinals | 22 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | — | — | — | — |
| 2021 | St. Louis Cardinals | 24 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | .000 | .000 | .000 | .000 | .000 | 100.0% | 0.0% | — |
Posts about him
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Stats from the MLB Stats API, through Oct 9, 2026.