Michael Petersen
P Miami Marlins| Year | Age | Lvl / Team | G | GS | IP | ERA | FIP | K% | BB% | WAR | MLE rates |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 30 | MIX2 levels | 51 | 0 | 53 | 3.25 | 2.91 | 27.0% | 8.4% | 1.0 | K 24.1% · BB 8.0% · FIP 3.20 |
| 2025 | 31 | MIX2 levels | 48 | 1 | 54 | 4.31 | 3.60 | 26.7% | 7.1% | 0.6 | K 23.9% · BB 6.6% · FIP 4.03 |
| 2026 | 32 | MLBMIA | 65 | 0 | 66 | 3.02 | 2.86 | 30.1% | 10.0% | 1.3 | |
| 2027PROJ | 33 | MLBMIA | 52 | 0 | 55 | 4.08 | 4.15 | 27.5% | 10.4% | 0.3 | |
| 2028PROJ85% MLB | 34 | MLBMIA | 36 | 0 | 38 | 4.30 | 4.45 | 26.6% | 10.9% | 0.0 | |
| 2029PROJ80% MLB | 35 | MLBMIA | 23 | 0 | 24 | 4.59 | 4.79 | 25.6% | 11.5% | -0.1 |
Grades · Statcast · Contract
Contract
No contract data on file. Pre-MLB players and minor-league free agents do not yet have salary projections — entries are added at first 40-man roster placement.
Career Stats + Projections
Methodology▸ how WAR & MLE are computed
Stats are park-neutral MLB equivalents. The "TEAM" column shows current org affiliation only — we do NOT project at that team's park.
Rates (K%, BB%, HR-BF) are park-stripped; MiLB stat lines are translated to their MLB-equivalent via per-level MLE factors.
WAR is computed from projected runs prevented vs a replacement pitcher (the marginal arm a team would call up if this pitcher were unavailable) — calibrated to the standard WAR scale.
| Year | Age | Lvl | Team | G | GS | IP | BF | K | BB | HR | GS% | IP/G | K% | BB% | K-BB% | HR% | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ Career — actual stats, one row per year (as recorded, no adjustments) | |||||||||||||||||||
| ▸ Career — adjusted (each season translated to a park/league-neutral MLB-equivalent line; levels combined per year) | |||||||||||||||||||
| ▸ Model inputs — neutral MLE (past 3 seasons + 2027 so far) | |||||||||||||||||||
| 2015 | 21 | ROK MLE | AZL Brewers | 4 | 3 | 7 | 25 | 5 | 2 | 0 | 75% | 1.7 | 20.0% | 8.0% | 12.0% | 0.0% | 1.35 | 2.42 | — |
| 2015 | 21 | ROK RAW | AZL Brewers | 4 | 3 | 7 | 25 | 5 | 2 | 0 | 75% | 1.7 | 20.0% | 8.0% | 12.0% | 0.0% | 1.35 | 2.50 | — |
| 2016 | 22 | ROK MLE | Helena Brewers | 10 | 5 | 23 | 125 | 19 | 13 | 4 | 50% | 2.3 | 10.3% | 13.0% | -2.7% | 4.5% | 7.71 | 6.33 | — |
| 2016 | 22 | ROK RAW | Helena Brewers | 10 | 5 | 23 | 125 | 19 | 13 | 4 | 50% | 2.3 | 15.2% | 10.4% | 4.8% | 3.2% | 7.71 | 5.37 | — |
| 2017 | 23 | ROK MLE | Helena Brewers | 15 | 9 | 46 | 221 | 48 | 31 | 5 | 60% | 3.1 | 14.8% | 17.5% | -2.8% | 3.2% | 6.41 | 5.81 | — |
| 2017 | 23 | ROK RAW | Helena Brewers | 15 | 9 | 46 | 221 | 48 | 31 | 5 | 60% | 3.1 | 21.7% | 14.0% | 7.7% | 2.3% | 6.41 | 4.44 | — |
| 2018 | 24 | A MLE | Wisconsin Timber Rattlers | 32 | 0 | 68 | 282 | 62 | 23 | 5 | 0% | 2.1 | 16.3% | 9.6% | 6.6% | 2.3% | 3.46 | 4.19 | — |
| 2018 | 24 | A RAW | Wisconsin Timber Rattlers | 32 | 0 | 68 | 282 | 62 | 23 | 5 | 0% | 2.1 | 22.0% | 8.2% | 13.8% | 1.8% | 3.46 | 3.25 | — |
| 2019 | 25 | A+ MLE | Carolina Mudcats | 41 | 0 | 54 | 230 | 65 | 34 | 4 | 0% | 1.3 | 21.8% | 17.0% | 4.8% | 2.0% | 3.00 | 4.52 | — |
| 2019 | 25 | A+ RAW | Carolina Mudcats | 41 | 0 | 54 | 230 | 65 | 34 | 4 | 0% | 1.3 | 28.3% | 14.8% | 13.5% | 1.7% | 3.00 | 3.54 | — |
| 2022 | 28 | ROK MLE | ACL Rockies | 1 | 1 | 1 | 3 | 2 | 0 | 0 | 100% | 1.0 | 66.7% | 0.0% | 66.7% | 0.0% | 0.00 | -2.53 | — |
| 2022 | 28 | ROK RAW | ACL Rockies | 1 | 1 | 1 | 3 | 2 | 0 | 0 | 100% | 1.0 | 66.7% | 0.0% | 66.7% | 0.0% | 0.00 | -0.90 | — |
| 2023 | 29 | MIX MLE | 2 levels | 41 | 0 | 42 | 186 | 49 | 24 | 3 | 0% | 1.0 | 21.9% | 12.4% | 9.5% | 1.7% | 3.46 | 3.77 | — |
| 2023 | 29 | MIX RAW | 2 levels | 41 | 0 | 42 | 186 | 49 | 24 | 3 | 0% | 1.0 | 26.3% | 12.9% | 13.4% | 1.6% | 3.46 | 3.41 | — |
| 2024 | 30 | MIX MLE | 2 levels | 51 | 0 | 53 | 215 | 58 | 18 | 4 | 0% | 1.0 | 24.1% | 8.0% | 16.1% | 2.0% | 3.25 | 3.20 | +0.8 |
| 2024 | 30 | MIX MLE | 2 levels | 51 | 0 | 53 | 215 | 58 | 18 | 4 | 0% | 1.0 | 24.1% | 8.0% | 16.1% | 2.0% | 3.25 | 3.20 | +0.8 |
| 2024 | 30 | MIX RAW | 2 levels | 51 | 0 | 53 | 215 | 58 | 18 | 4 | 0% | 1.0 | 27.0% | 8.4% | 18.6% | 1.9% | 3.25 | 2.91 | +1.0 |
| 2025 | 31 | MIX MLE | 2 levels | 48 | 1 | 54 | 240 | 64 | 17 | 8 | 2% | 1.1 | 23.9% | 6.6% | 17.3% | 3.9% | 4.31 | 4.03 | +0.3 |
| 2025 | 31 | MIX MLE | 2 levels | 48 | 1 | 54 | 240 | 64 | 17 | 8 | 2% | 1.1 | 23.9% | 6.6% | 17.3% | 3.9% | 4.31 | 4.03 | +0.3 |
| 2025 | 31 | MIX RAW | 2 levels | 48 | 1 | 54 | 240 | 64 | 17 | 8 | 2% | 1.1 | 26.7% | 7.1% | 19.6% | 3.3% | 4.31 | 3.60 | +0.6 |
| 2026 | 32 | MLB MLE | Miami Marlins | 65 | 0 | 66 | 269 | 81 | 27 | 5 | 0% | 1.0 | 30.1% | 10.0% | 20.1% | 2.0% | 3.02 | 2.90 | +1.3 |
| 2026 | 32 | MLB MLE | Miami Marlins | 65 | 0 | 66 | 269 | 81 | 27 | 5 | 0% | 1.0 | 30.1% | 10.0% | 20.1% | 2.0% | 3.02 | 2.90 | +1.3 |
| 2026 | 32 | MLB RAW | Miami Marlins | 65 | 0 | 66 | 269 | 81 | 27 | 5 | 0% | 1.0 | 30.1% | 10.0% | 20.1% | 1.9% | 3.02 | 2.86 | +1.3 |
| ▸ Career totals (raw MLB only — as recorded) | |||||||||||||||||||
| MLB Career | — | 96 | 0 | 103 | 438 | 112 | 42 | 11 | 0% | 1.1 | 25.6% | 9.6% | 16.0% | 2.5% | 3.75 | 3.54 | +1.2 | ||
| ▸ 2027 season — projected remainder (no 2027 stats recorded) | |||||||||||||||||||
| 2027 | 33 | MLB | MIA | 52 | 0 | 55 | 232 | 64 | 24 | 7 | 0% | 1.1 | 27.5% | 10.4% | 17.1% | 3.0% | 4.08 | 4.15 | +0.3 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%) | |||||||||||||||||||
| 2028 | 34 | MLB MLE | MIA | 43 | 0 | 45 | 189 | 50 | 21 | 6 | 0% | 1.0 | 26.6% | 10.9% | 15.7% | 3.3% | 4.30 | 4.45 | +0.1 |
| 2029 | 35 | MLB MLE | MIA | 29 | 0 | 30 | 128 | 33 | 15 | 5 | 0% | 1.0 | 25.6% | 11.5% | 14.1% | 3.7% | 4.59 | 4.79 | -0.1 |
| 2028 | 34 | MLB CTX | MIA | 36 | 0 | 38 | 160 | 43 | 18 | 5 | 0% | 1.1 | 26.6% | 10.9% | 15.7% | 3.3% | 4.30 | 4.45 | +0.0 |
| 2029 | 35 | MLB CTX | MIA | 23 | 0 | 24 | 101 | 26 | 12 | 4 | 0% | 1.0 | 25.6% | 11.5% | 14.1% | 3.7% | 4.59 | 4.79 | -0.1 |
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||
| Career | — | RAW | 155 | 0 | 166 | 702 | 181 | 71 | 20 | 0% | 1.1 | 25.8% | 10.2% | 15.6% | 2.9% | 4.00 | 3.79 | +1.5 | |
| / 200 IP | — | RAW | 188 | 0 | 200 | 847 | 218 | 86 | 24 | 0% | 1.1 | 25.8% | 10.2% | 15.6% | 2.9% | 4.00 | 3.79 | +1.8 | |
| Career | — | MLE | 308 | 19 | 413 | 1796 | 379 | 206 | 46 | 6% | 1.3 | 21.1% | 11.5% | 9.6% | 2.5% | 3.94 | 4.17 | +1.2 | |
| / 200 IP | — | MLE | 149 | 9 | 200 | 869 | 184 | 100 | 22 | 6% | 1.3 | 21.1% | 11.5% | 9.6% | 2.5% | 3.94 | 4.17 | +1.4 | |
How the minor-league lines were translated
One row per minor-league stint. Open a row to see each step: the raw rate, the park adjustment, the league/level factor, the age adjustment (hitters) and the resulting MLE rate. Factors are the same ones listed on the MLE Factors page.
2025 AAAJacksonville Jumbo Shrimp · 36 IPFIP 3.28 → 3.91 (+0.62)K% 29.2% → 25.1%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 29.19% | — | ×0.860 | 25.11% |
| BB% (unintentional) /BF | 7.45% | — | ×0.900 | 6.71% |
| HR / BF /BF | 3.11% | ÷0.903 | ×1.100 | 3.78% |
Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 81).
Result: FIP 3.28 → 3.91, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2024 AAAOklahoma City Baseball Club · 33 IPFIP 1.38 → 1.81 (+0.43)K% 35.2% → 30.3%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 35.20% | — | ×0.860 | 30.27% |
| BB% (unintentional) /BF | 6.40% | — | ×0.900 | 5.76% |
| HR / BF /BF | 0.80% | ÷0.896 | ×1.100 | 0.98% |
Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 79).
Result: FIP 1.38 → 1.81, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2023 AAAAlbuquerque Isotopes · 22 IPFIP 4.55 → 4.62 (+0.07)K% 20.6% → 17.7%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 20.59% | — | ×0.860 | 17.71% |
| BB% (unintentional) /BF | 16.67% | — | ×0.900 | 15.00% |
| HR / BF /BF | 1.96% | ÷1.062 | ×1.100 | 2.03% |
Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 112).
Result: FIP 4.55 → 4.62, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2023 AAHartford Yard Goats · 20 IPFIP 1.99 → 2.73 (+0.74)K% 33.3% → 27.0%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 33.33% | — | ×0.810 | 27.00% |
| BB% (unintentional) /BF | 8.33% | — | ×1.100 | 9.17% |
| HR / BF /BF | 1.19% | ÷1.040 | ×1.200 | 1.37% |
Factors used: pitcher AA level factors — K ×0.81, BB ×1.10, HR ×1.20. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 108).
Result: FIP 1.99 → 2.73, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2019 A+Carolina Mudcats · 54 IPFIP 3.54 → 4.52 (+0.98)K% 28.3% → 21.8%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 28.26% | — | ×0.770 | 21.76% |
| BB% (unintentional) /BF | 14.78% | — | ×1.150 | 17.00% |
| HR / BF /BF | 1.74% | ÷1.082 | ×1.250 | 2.01% |
Factors used: pitcher A+ level factors — K ×0.77, BB ×1.15, HR ×1.25. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 116).
Result: FIP 3.54 → 4.52, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2018 AWisconsin Timber Rattlers · 68 IPFIP 3.25 → 4.19 (+0.94)K% 22.0% → 16.3%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 21.99% | — | ×0.740 | 16.27% |
| BB% (unintentional) /BF | 8.16% | — | ×1.180 | 9.62% |
| HR / BF /BF | 1.77% | ÷1.019 | ×1.300 | 2.26% |
Factors used: pitcher A level factors — K ×0.74, BB ×1.18, HR ×1.30. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 104).
Result: FIP 3.25 → 4.19, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2017 ROKHelena Brewers · 46 IPFIP 4.28 → 5.81 (+1.53)K% 21.7% → 14.8%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 21.72% | — | ×0.680 | 14.77% |
| BB% (unintentional) /BF | 14.03% | — | ×1.250 | 17.53% |
| HR / BF /BF | 2.26% | ÷1.000 | ×1.400 | 3.17% |
Factors used: pitcher ROK level factors — K ×0.68, BB ×1.25, HR ×1.40. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 100).
Result: FIP 4.28 → 5.81, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
2016 ROKHelena Brewers · 23 IPFIP 4.89 → 6.33 (+1.44)K% 15.2% → 10.3%
| Component | Raw | Park ÷ | Level factor × | = MLE |
|---|---|---|---|---|
| K% /BF | 15.20% | — | ×0.680 | 10.34% |
| BB% (unintentional) /BF | 10.40% | — | ×1.250 | 13.00% |
| HR / BF /BF | 3.20% | ÷1.000 | ×1.400 | 4.48% |
Factors used: pitcher ROK level factors — K ×0.68, BB ×1.25, HR ×1.40. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 100).
Result: FIP 4.89 → 6.33, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).
Career Comps
Completed MLB careers (no pro action in 2+ yrs) whose totals — actual + projected — most resemble this player's. Pool: 1,234 reliever careers (754 from 1990-2025 + 480 historical, 1901-2023), also matched on career-to-date at the same age. * Historical (Lahman) careers: rates era-adjusted to 2001-24 league levels; WAR is an OGILVIE proxy.
| Player | 162s | IP/yr | K% | BB% | HR/9 | ERA |
|---|---|---|---|---|---|---|
| OGILVIE CAREER PROJECTION | 1.2 | 60 | 26.3% | 10.8% | 1.14 | 4.04 |
| Oliver Drake ('20) | 1.0 | 68 | 26.2% | 9.5% | 1.06 | 4.27 |
| Colin Poche ('25) | 1.1 | 54 | 26.7% | 10.2% | 1.32 | 4.01 |
| José Cisnero ('24) | 1.4 | 46 | 24.0% | 11.3% | 1.01 | 4.16 |
| Alberto Reyes ('95-'08, 5 WAR*) | 2.1 | 54 | 27.1%* | 10.2%* | 1.18* | 3.66* |
| Mac Scarce ('72-'78, 1 WAR*) | 1.0 | 52 | 25.9%* | 12.4%* | 1.27* | 4.17* |
| Buddy Schultz ('75-'79, 2 WAR*) | 1.2 | 60 | 27.4%* | 8.5%* | 1.21* | 4.14* |