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Relief Pitcher · Miami Marlins

Michael Petersen

RHP · Throws Right · Age 32Reliever
ERA
3.02
FIP
–
IP
65.2
W-L
4-4
WHIP
1.13
K%
30.1
BB%
10.8
GB%
–
K/9
11.1
HR/9
0.7
He was acquired by the Miami Marlins via trade from the Atlanta Braves in July 2025. He made his MLB debut on June 18, 2024.Facts: MLB StatsAPI (people · transactions)
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Four-Seam Fastball

FF · lead pitch

60% of pitches · .313 xwOBA allowed · 269 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
3%6%7%4%1%5%8%9%5%2%4%10%13%9%3%1%1%4%1%1%1%1%2%1%1%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.485.244.167.444.689.334.372.346.046.355.358.338.399.205.310––.297–.149–.748.739.377–
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.014.015.012.017.006.016.029.031.002.005.013.032.053.018.010––.010–.001–.008.014.005–
Low risk · Average · High-risk zone
Four-Seam Fastball (60% usage) has allowed .313 xwOBA over 269 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

5 pitch types · 1,852-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF
60% usage · 21% whiff · .313 xwOBA · 97.9 mph
Slider SL
29% usage · 34% whiff · .289 xwOBA · 87.7 mph
Changeup CH
9% usage · 24% whiff · .261 xwOBA · 89.7 mph
Unknown UN
1% usage
Sinker SI
1% usage · .250 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
1020304050609/99/129/149/159/199/229/239/27
Four-Seam FastballSliderChangeup
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1
SplitK%xwOBASample
vs. LHB26.6 .329 229
vs. RHB29.1 .267 197
Live · client-hydrated

Market lines

current pick’em lines by book · updates through the day

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Live · client-hydrated

DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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