Michael Petersen
P · Last on a Brewers farm club: Carolina Mudcats, 2019
- B/T
- R/R
- Size
- 6' 7", 195 lb
- Born
- 1994-05-16 · Middlesex, United Kingdom
- Acquired
- —
- MLB debut
- 2024-06-18
The path and tables below cover his minor-league seasons with any club, as the MLB Stats API lists them, through 2026. His major-league seasons are in the "Major leagues" section.
Level path
- ROK2015AZL Brewers
- ROK2016Helena Brewers
- ROK2017Helena Brewers
- A2018Wisconsin Timber Rattlers
- A+2019Carolina Mudcats
- ROK2022ACL Rockies
- AA2023Hartford Yard Goats
- AAA2023Albuquerque Isotopes
- AAA2024Oklahoma City Baseball Club
- AAA2025Salt Lake Bees
- AAA2025Gwinnett Stripers
- AAA2025Jacksonville Jumbo Shrimp
- AAA2025
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | ROK | AZL Brewers | 21 | 4 | 3 | 1 | 0 | 0 | 6.2 | 3 | 2 | 5 | 0 | 1.35 | 0.75 | 6.75 | 2.70 | 20.0% | 8.0% | 12.0% |
| 2016 | ROK | Helena Brewers | 22 | 10 | 5 | 1 | 3 | 0 | 23.1 | 41 | 13 | 19 | 4 | 7.71 | 2.31 | 7.33 | 5.01 | 15.2% | 10.4% | 4.8% |
| 2017 | ROK | Helena Brewers | 23 | 15 | 9 | 1 | 3 | 0 | 46.1 | 51 | 31 | 48 | 5 | 6.41 | 1.77 | 9.32 | 6.02 | 21.7% | 14.0% | 7.7% |
| 2018 | A | Wisconsin Timber Rattlers | 24 | 32 | 0 | 2 | 1 | 4 | 67.2 | 61 | 25 | 62 | 5 | 3.46 | 1.27 | 8.25 | 3.33 | 22.0% | 8.9% | 13.1% |
| 2019 | A+ | Carolina Mudcats | 25 | 41 | 0 | 1 | 2 | 2 | 54.0 | 35 | 34 | 65 | 4 | 3.00 | 1.28 | 10.83 | 5.67 | 28.3% | 14.8% | 13.5% |
| 2022 | ROK | ACL Rockies | 28 | 1 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 | 18.00 | 0.00 | 66.7% | 0.0% | 66.7% |
| 2023 | AA | Hartford Yard Goats | 29 | 19 | 0 | 1 | 1 | 1 | 19.2 | 15 | 8 | 28 | 1 | 3.20 | 1.17 | 12.81 | 3.66 | 33.3% | 9.5% | 23.8% |
| 2023 | AAA | Albuquerque Isotopes | 29 | 22 | 0 | 1 | 1 | 1 | 22.0 | 23 | 17 | 21 | 2 | 3.68 | 1.82 | 8.59 | 6.95 | 20.6% | 16.7% | 3.9% |
| 2024 | AAA | Oklahoma City Baseball Club | 30 | 35 | 0 | 2 | 0 | 10 | 33.0 | 17 | 8 | 44 | 1 | 1.64 | 0.76 | 12.00 | 2.18 | 35.2% | 6.4% | 28.8% |
| 2025 | AAA | Salt Lake Bees | 31 | 1 | 0 | 0 | 0 | 0 | 1.1 | 4 | 0 | 2 | 0 | 13.50 | 3.00 | 13.50 | 0.00 | 25.0% | 0.0% | 25.0% |
| 2025 | AAA | Gwinnett Stripers | 31 | 20 | 0 | 0 | 0 | 0 | 23.0 | 25 | 7 | 26 | 2 | 3.13 | 1.39 | 10.17 | 2.74 | 25.7% | 6.9% | 18.8% |
| 2025 | AAA | Jacksonville Jumbo Shrimp | 31 | 12 | 1 | 0 | 1 | 1 | 12.0 | 11 | 5 | 19 | 3 | 6.00 | 1.33 | 14.25 | 3.75 | 36.5% | 9.6% | 26.9% |
| 2025 | AAA | — | 31 | 33 | 1 | 0 | 1 | 1 | 36.1 | 40 | 12 | 47 | 5 | 4.46 | 1.43 | 11.64 | 2.97 | 29.2% | 7.5% | 21.7% |
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | A+ | Carolina Mudcats | 25 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | — | — | — | — |
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | Los Angeles Dodgers | 30 | 11 | 0 | 3 | 0 | 0 | 14.0 | 14 | 8 | 11 | 3 | 6.43 | 1.57 | 7.07 | 5.14 | 17.2% | 12.5% | 4.7% |
| 2024 | Miami Marlins | 30 | 5 | 0 | 0 | 1 | 0 | 5.2 | 7 | 3 | 3 | 0 | 4.76 | 1.76 | 4.76 | 4.76 | 11.5% | 11.5% | 0.0% |
| 2024 | 2 teams | 30 | 16 | 0 | 3 | 1 | 0 | 19.2 | 21 | 11 | 14 | 3 | 5.95 | 1.63 | 6.41 | 5.03 | 15.6% | 12.2% | 3.3% |
| 2025 | Atlanta Braves | 31 | 4 | 0 | 0 | 0 | 0 | 6.2 | 7 | 2 | 5 | 1 | 4.05 | 1.35 | 6.75 | 2.70 | 17.9% | 7.1% | 10.7% |
| 2025 | Miami Marlins | 31 | 11 | 0 | 0 | 0 | 0 | 11.1 | 11 | 5 | 12 | 2 | 3.97 | 1.41 | 9.53 | 3.97 | 23.5% | 9.8% | 13.7% |
| 2025 | 2 teams | 31 | 15 | 0 | 0 | 0 | 0 | 18.0 | 18 | 7 | 17 | 3 | 4.00 | 1.39 | 8.50 | 3.50 | 21.5% | 8.9% | 12.7% |
| 2026 | Miami Marlins | 32 | 65 | 0 | 4 | 4 | 1 | 65.2 | 45 | 29 | 81 | 5 | 3.02 | 1.13 | 11.10 | 3.97 | 30.1% | 10.8% | 19.3% |
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Stats from the MLB Stats API, through Oct 9, 2026.