Michael Petersen

P Miami Marlins
Age 33 RHP 6'7" / 195 lbs MLB peak 0.4 · 2027
Overview
MLBRP40-MAN
YearAgeLvl / TeamGGSIPERAFIPK%BB%WARMLE rates
202430MIX2 levels510533.252.9127.0%8.4%1.0K 24.1% · BB 8.0% · FIP 3.20
202531MIX2 levels481544.313.6026.7%7.1%0.6K 23.9% · BB 6.6% · FIP 4.03
202632MLBMIA650663.022.8630.1%10.0%1.3
2027PROJ33MLBMIA520554.084.1527.5%10.4%0.3
2028PROJ85% MLB34MLBMIA360384.304.4526.6%10.9%0.0
2029PROJ80% MLB35MLBMIA230244.594.7925.6%11.5%-0.1
Last 3 seasons WAR 3.0  ·  Next 3 projected WAR 0.2Projected rows: MLB playing time only, park and league context applied.
Contract
No contract data on file.
Skills · percentileStatcast 2026
FB Velo90
K%90
xwOBA vs76
Form3.38 ERA (proj 4.08) · K 32.3% (proj 27.5%) · BB 11.8% (proj 10.4%) ▲ last 90d · 21 IP through Oct 27
CompsHirokazu Sawamura (age 33) · Huascar Brazobán (age 33) · Joe Nelson (age 33)
2027 FULL-SEASON PROJECTIONrates below = full-season projection
showingPROJ
wRC+ AGAINSTvL 10496vR 88
ERA4.08
FIP4.15
K%27.5%
BB%10.4%
K-BB%17.1%
Proj IP61
Value2027 · WAR
Runs saved vs league avg · 61 IP
K: +3.0 runs (Runs saved by strikeouts vs lg-avg K%)+3KBB: -1.6 runs (Runs saved by walk suppression vs lg-avg BB%)-2BBCONTACT: -1.3 runs (Runs saved on contact quality (HR suppression) vs lg)-1CONTACTSTAM: +2.7 runs (Replacement credit for innings volume)+3STAMTotal WAR: +0.30 (61 IP)+0.3WAR
0.30.0-0.1272829
Grades · Statcast · Contract
Scouting Grades
STUF4040
CTRL4040
CMD3535
K†6565
Statcast Percentiles
FB Velo
p9098.0
Whiff%
p8130.1%
K%
p9030.1%
xwOBA vs
p760.287

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

Real MLB stats plus park-adjusted projections — this season (so far / rest / full), then future seasons and career totals.
basis chips: RAW = as recorded · CTX = with park/league context · A+C = actual + context combined · MLE = level/park-neutral
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.

YearAge LvlTeam GGSIPBF KBBHR GS%IP/G K%BB%K-BB%HR% ERAFIP 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)
201521ROK MLEAZL Brewers4372552075%1.720.0%8.0%12.0%0.0%1.352.42—
201521ROK RAWAZL Brewers4372552075%1.720.0%8.0%12.0%0.0%1.352.50—
201622ROK MLEHelena Brewers105231251913450%2.310.3%13.0%-2.7%4.5%7.716.33—
201622ROK RAWHelena Brewers105231251913450%2.315.2%10.4%4.8%3.2%7.715.37—
201723ROK MLEHelena Brewers159462214831560%3.114.8%17.5%-2.8%3.2%6.415.81—
201723ROK RAWHelena Brewers159462214831560%3.121.7%14.0%7.7%2.3%6.414.44—
201824A MLEWisconsin Timber Rattlers32068282622350%2.116.3%9.6%6.6%2.3%3.464.19—
201824A RAWWisconsin Timber Rattlers32068282622350%2.122.0%8.2%13.8%1.8%3.463.25—
201925A+ MLECarolina Mudcats41054230653440%1.321.8%17.0%4.8%2.0%3.004.52—
201925A+ RAWCarolina Mudcats41054230653440%1.328.3%14.8%13.5%1.7%3.003.54—
202228ROK MLEACL Rockies1113200100%1.066.7%0.0%66.7%0.0%0.00-2.53—
202228ROK RAWACL Rockies1113200100%1.066.7%0.0%66.7%0.0%0.00-0.90—
202329MIX MLE2 levels41042186492430%1.021.9%12.4%9.5%1.7%3.463.77—
202329MIX RAW2 levels41042186492430%1.026.3%12.9%13.4%1.6%3.463.41—
202430MIX MLE2 levels51053215581840%1.024.1%8.0%16.1%2.0%3.253.20+0.8
202430MIX MLE2 levels51053215581840%1.024.1%8.0%16.1%2.0%3.253.20+0.8
202430MIX RAW2 levels51053215581840%1.027.0%8.4%18.6%1.9%3.252.91+1.0
202531MIX MLE2 levels48154240641782%1.123.9%6.6%17.3%3.9%4.314.03+0.3
202531MIX MLE2 levels48154240641782%1.123.9%6.6%17.3%3.9%4.314.03+0.3
202531MIX RAW2 levels48154240641782%1.126.7%7.1%19.6%3.3%4.313.60+0.6
202632MLB MLEMiami Marlins65066269812750%1.030.1%10.0%20.1%2.0%3.022.90+1.3
202632MLB MLEMiami Marlins65066269812750%1.030.1%10.0%20.1%2.0%3.022.90+1.3
202632MLB RAWMiami Marlins65066269812750%1.030.1%10.0%20.1%1.9%3.022.86+1.3
▸ Career totals (raw MLB only — as recorded)
MLB Career—96010343811242110%1.125.6%9.6%16.0%2.5%3.753.54+1.2
▸ 2027 season — projected remainder (no 2027 stats recorded)
202733MLBMIA52055232642470%1.127.5%10.4%17.1%3.0%4.084.15+0.3
▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%)
202834MLB MLEMIA43045189502160%1.026.6%10.9%15.7%3.3%4.304.45+0.1
202935MLB MLEMIA29030128331550%1.025.6%11.5%14.1%3.7%4.594.79-0.1
202834MLB CTXMIA36038160431850%1.126.6%10.9%15.7%3.3%4.304.45+0.0
202935MLB CTXMIA23024101261240%1.025.6%11.5%14.1%3.7%4.594.79-0.1
▸ Career totals — MLB only (actual + projected)
Career— RAW155016670218171200%1.125.8%10.2%15.6%2.9%4.003.79+1.5
/ 200 IP— RAW188020084721886240%1.125.8%10.2%15.6%2.9%4.003.79+1.8
Career— MLE308194131796379206466%1.321.1%11.5%9.6%2.5%3.944.17+1.2
/ 200 IP— MLE1499200869184100226%1.321.1%11.5%9.6%2.5%3.944.17+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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF29.19%—×0.86025.11%
BB% (unintentional) /BF7.45%—×0.9006.71%
HR / BF /BF3.11%÷0.903×1.1003.78%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF35.20%—×0.86030.27%
BB% (unintentional) /BF6.40%—×0.9005.76%
HR / BF /BF0.80%÷0.896×1.1000.98%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF20.59%—×0.86017.71%
BB% (unintentional) /BF16.67%—×0.90015.00%
HR / BF /BF1.96%÷1.062×1.1002.03%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF33.33%—×0.81027.00%
BB% (unintentional) /BF8.33%—×1.1009.17%
HR / BF /BF1.19%÷1.040×1.2001.37%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF28.26%—×0.77021.76%
BB% (unintentional) /BF14.78%—×1.15017.00%
HR / BF /BF1.74%÷1.082×1.2502.01%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF21.99%—×0.74016.27%
BB% (unintentional) /BF8.16%—×1.1809.62%
HR / BF /BF1.77%÷1.019×1.3002.26%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF21.72%—×0.68014.77%
BB% (unintentional) /BF14.03%—×1.25017.53%
HR / BF /BF2.26%÷1.000×1.4003.17%

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%
ComponentRawPark ÷Level factor ×= MLE
K% /BF15.20%—×0.68010.34%
BB% (unintentional) /BF10.40%—×1.25013.00%
HR / BF /BF3.20%÷1.000×1.4004.48%

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.

Player162sIP/yrK%BB%HR/9ERA
OGILVIE CAREER PROJECTION1.26026.3%10.8%1.144.04
Oliver Drake ('20)1.06826.2%9.5%1.064.27
Colin Poche ('25)1.15426.7%10.2%1.324.01
José Cisnero ('24)1.44624.0%11.3%1.014.16
Alberto Reyes ('95-'08, 5 WAR*)2.15427.1%*10.2%*1.18*3.66*
Mac Scarce ('72-'78, 1 WAR*)1.05225.9%*12.4%*1.27*4.17*
Buddy Schultz ('75-'79, 2 WAR*)1.26027.4%*8.5%*1.21*4.14*