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Relief Pitcher · Miami Marlins

Michael Petersen

RHP · Throws Right · Age 32Reliever
ERA
2.93
FIP
–
IP
40.0
W-L
1-1
WHIP
0.98
K%
30.4
BB%
9.5
GB%
–
K/9
10.8
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

59% of pitches · .312 xwOBA allowed · 200 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
3%6%7%4%1%5%8%8%3%2%5%10%14%9%3%1%2%4%1%1%0%1%2%2%1%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.371.186.098.452.689.306.359.522.027.493.275.291.446.178.000––.310–––.813.758.394–
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.011.011.007.017.006.015.028.044.001.009.012.028.063.016.000––.011–––.008.013.007–
Low risk · Average · High-risk zone
Four-Seam Fastball (59% usage) has allowed .312 xwOBA over 200 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

5 pitch types · 1,368-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF
59% usage · 22% whiff · .312 xwOBA · 97.6 mph
Slider SL
30% usage · 28% whiff · .340 xwOBA · 86.4 mph
Changeup CH
9% usage · 15% whiff · .225 xwOBA · 88.6 mph
Unknown UN
1% usage
Sinker SI
1% usage · .250 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
0102030405060706/216/226/246/266/297/37/57/7
Four-Seam FastballSliderChangeup
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1
SplitK%xwOBASample
vs. LHB26.3 .347 169
vs. RHB26.2 .270 150
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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