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Michael Petersen

#49 - Relief Pitcher

Miami Marlins

Bats / Throws Right / Right
Date of Birth 5/16/1994 (32)
Height, Weight 6'7", 195 lb
Hometown Middlesex, GBR

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
1 65.2 3.02 1.13 30.1% 10.8%
141st 3
Sv
89th 52.0
IP
69th 4.19
ERA
71st 1.34
WHIP
31st 22.7%
K%
228th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
98.0 15.2% 29.5% 55.0% 2.7% 5.11 3.01
30th 94.7
FB MPH
50th 12.2%
SwStr%
127th 28.5%
CSW%
41st 51.2%
Str-ICR
35th 4.7%
MTK%
42nd 4.94
PLV
77th 3.56
PLA
Saves List
Rank
44th
Saves+Holds List
Rank
40th

Articles

9/24/2026Fantasy Baseball Relief Pitcher Roundup: 9/23Rick Graham

9/23/2026Fantasy Baseball Relief Pitcher Roundup: 9/22Rick Graham

9/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/22Rick Graham

9/20/2026Fantasy Baseball Relief Pitcher Roundup: 9/19Rick Graham

9/19/2026OTW 268 - Final FAAB; September 20, 2026Adam Howe

See More Articles
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Michael Petersen Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2024 LAD/MIA 16 0 19.2 3-1 0 1 5.95 1.63 5.10 5.61 6.43 3.68 15.6% 12.2% 9.6 1.37 .295 13.0% 66.0% 37.5% 31.3% 10.2% 22.9% 0.39 5.02
2025 ATL/MIA 15 0 18.0 0-0 0 2 4.00 1.39 6.00 4.58 4.45 3.16 21.5% 8.9% 9.0 1.50 .294 20.0% 67.3% 50.9% 29.1% 12.8% 24.8% 0.46 5.10
2026 MIA 65 0 65.2 4-4 1 25 3.02 1.13 3.15 3.13 3.53 3.01 30.1% 10.8% 6.2 0.69 .267 13.2% 74.6% 36.8% 37.0% 15.2% 29.5% 0.62 5.11
RP MLB Percentile 83 0 74 65-18 37 97 80 79 83 85 83 78 91 34 89 73 72 66 57 49 19 85 63 87 87
RP MLB AVG 42 2 52.0 3-3 3 7 4.19 1.34 4.16 4.17 4.24 3.56 22.7% 9.8% 8.3 1.08 .291 17.6% 72.5% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 96 0 103.1 7-5 1 28 3.75 1.27 4.02 3.84 4.23 3.16 25.6% 10.7% 7.3 0.96 .279 14.5% 71.3% 39.8% 34.1% 13.8% 27.3% 0.55 5.09

Michael Petersen Repertoire

2024 2025 2026 All
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Michael Petersen Game Log

Michael Petersen Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2024 LAD/MIA 16 0 19.2 3-1 0 0 1 363 234 129 90 21 12 6 0 3 14 11 1 0
2025 ATL/MIA 15 0 18.0 0-0 0 0 2 327 214 114 79 18 12 3 0 3 17 7 0 2
2026 MIA 65 0 65.2 4-4 0 1 25 1,129 735 394 269 45 26 13 1 5 81 29 4 1
RP MLB Percentile 83 0 74 65-18 0 37 97 78 80 25 73 43 54 16 22 46 87 19 17 51
RP MLB AVG 42 2 52.0 3-3 0 3 7 884 565 319 227 48 32 9 1 6 52 21 3 2
Career 96 0 103.1 7-5 0 1 28 1,819 1,183 637 438 84 50 22 1 11 112 47 5 3

Michael Petersen Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2024 LAD/MIA 15.6% 12.2% .276 .474 .841 .358 .295 .328 .259 .347 .266 .363 88.7 91.8 22.8 5.10
2025 ATL/MIA 21.5% 8.9% .254 .423 .744 .315 .294 .333 .278 .374 .307 .455 91.2 92.1 19.2 6.00
2026 MIA 30.1% 10.8% .191 .318 .608 .274 .267 .290 .183 .275 .249 .334 90.8 94.5 21.1 3.15
RP MLB Percentile 91 34 90 82 82 81 72 74 94 83 83 67 4 2 7 83
RP MLB AVG 22.7% 9.8% .241 .389 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.16
Career 25.6% 10.7% .219 .368 .679 .299 .279 .308 .216 .308 .264 .366 90.4 93.2 21.1 4.02

Michael Petersen Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2024 LAD/MIA65.6% (97.1)-31.1% (88.2)0.6% (84.8)--2.8% (89.8)-- 65.6% 34.4%
2025 ATL/MIA56.0% (97.5)2.5% (97.1)35.2% (89.3)6.1% (88.9)--0.3% (86.7)-- 58.4% 41.6%
2026 MIA61.5% (98.0)0.2% (98.1)-26.7% (87.8)--11.7% (89.8)-- 61.6% 38.4%
RP MLB Percentile 93 (91) 0 (94) - 57 (70) - - 35 (86) - - 83.1% 16.3%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (89.4) 25.8% (86.1) 20.7% (82.3) 15.3% (80.3) 17.7% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career61.3% (97.7)0.6% (97.3)12.5% (88.7)17.8% (87.8)--7.9% (89.7)-- 61.8% 38.2%

Michael Petersen Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2024 LAD/MIA23.9% (25)-23.0% (12)0.0% (0)--0.0% (0)-- 23.9% 20.8%
2025 ATL/MIA27.9% (28)25.0% (1)20.9% (9)20.0% (4)--0.0% (0)-- 27.7% 20.6%
2026 MIA27.5% (107)0.0% (0)-35.2% (51)--27.3% (14)-- 27.4% 32.8%
RP MLB Percentile 51 (2) 0 (0) - 80 (17) - - 75 (39) - - 44.9% 82.3%
RP MLB AVG 27.2% (32) 27.6% (13) 27.0% (15) 29.7% (28) 28.5% (20) 27.4% (15) 22.4% (21) 22.6% (21) 19.3% (9) 27.9% 28.8%
Career26.8% (160)20.0% (1)21.9% (21)34.1% (55)--25.2% (14)-- 26.8% 28.2%

Michael Petersen Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2024 LAD/MIA 31.3% 18.8% 35.9% 14.1% 37.5% 39.1% 35.9% 25.0% 24.0% 62.5% 25.0% 6.3% 6.3% 37.5%
2025 ATL/MIA 29.1% 30.9% 27.3% 12.7% 56.4% 36.4% 32.7% 30.9% 23.9% 49.1% 32.7% 7.3% 10.9% 50.9%
2026 MIA 37.0% 20.1% 24.7% 18.2% 32.5% 38.1% 38.7% 23.2% 21.9% 63.0% 19.5% 6.5% 11.0% 36.8%
RP MLB Percentile 19 63 54 96 63 29 87 33 95 49 88 35 5 49
RP MLB AVG 44.0% 21.7% 24.1% 10.2% 34.6% 40.9% 33.7% 25.4% 18.1% 63.0% 24.5% 5.8% 6.8% 36.8%
Career 34.1% 22.0% 27.8% 16.1% 38.5% 38.0% 36.9% 25.2% 22.6% 60.1% 23.4% 6.6% 9.9% 39.8%

Michael Petersen Batted Ball › Outcomes

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2024 LAD/MIA .276 .358 .295 .328 .259 .347 .266 .363 88.7 91.8 22.8 13.0% 37.5% 26.7%
2025 ATL/MIA .254 .315 .294 .333 .278 .374 .307 .455 91.2 92.1 19.2 20.0% 50.9% 35.4%
2026 MIA .191 .274 .267 .290 .183 .275 .249 .334 90.8 94.5 21.1 13.2% 36.8% 21.2%
RP MLB Percentile 90 81 72 74 94 83 83 67 4 2 7 66 49 79
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .219 .299 .279 .308 .216 .308 .264 .366 90.4 93.2 21.1 14.5% 39.8% 24.9%

Michael Petersen Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2024 LAD/MIA 45.2% 64.5% 51.8% 33.7% 19.7% 24.0% 80.3% 86.0% 70.1% 12.7% 10.2% 22.9% 17.6% 58.7% 0.39 51.2%
2025 ATL/MIA 46.2% 65.4% 53.5% 33.0% 24.0% 23.9% 76.0% 82.9% 62.1% 11.9% 12.8% 24.8% 16.8% 59.9% 0.46 48.3%
2026 MIA 43.6% 65.1% 50.8% 36.1% 30.0% 21.9% 70.0% 78.8% 57.0% 14.3% 15.2% 29.5% 13.7% 61.1% 0.62 55.0%
RP MLB Percentile 36 67 83 88 81 95 81 88 59 17 85 63 7 85 87 88
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.1% 74.4% 83.9% 58.5% 16.4% 12.2% 28.5% 17.1% 58.3% 0.50 51.2%
Career 44.4% 65.0% 51.5% 35.1% 26.8% 22.6% 73.2% 81.1% 60.3% 13.5% 13.8% 27.3% 15.1% 60.4% 0.55 53.1%

Michael Petersen Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2024 LAD/MIA 45.2% 28.9% 32.8% 38.3% 43.5% 23.7% 32.8% 36.9% 30.3% 8.5%
2025 ATL/MIA 46.2% 31.5% 30.6% 37.9% 32.7% 20.2% 47.1% 32.1% 37.3% 5.5%
2026 MIA 43.6% 33.7% 32.2% 34.1% 45.3% 19.6% 35.2% 33.7% 34.1% 6.1%
RP MLB Percentile 36 45 5 25 89 87 21 82 3 30
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 44.4% 32.3% 32.1% 35.6% 42.7% 20.5% 36.8% 34.0% 33.9% 6.5%

Michael Petersen Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2024 LAD/MIA 57.0% 9.4% 35.0% 15.5% 69.7% 58.4% 17.4% 21.3% 11.0%
2025 ATL/MIA 50.5% 15.0% 37.3% 13.9% 65.8% 47.4% 15.2% 23.0% 13.9%
2026 MIA 56.5% 9.6% 34.6% 9.6% 61.5% 54.4% 19.3% 28.6% 20.7%
RP MLB Percentile 17 89 95 2 53 84 27 69 64
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 55.5% 10.5% 35.2% 11.5% 63.9% 54.0% 18.2% 26.1% 17.5%

Michael Petersen PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 LAD/MIA 363 5.02 47.4% 19.8% 32.8% 14.6% 6.6% 4.7 +1 3.68
2025 ATL/MIA 327 5.10 47.0% 18.6% 34.5% 12.5% 4.6% 1.8 +1 3.16
2026 MIA 1,129 5.11 51.0% 15.8% 33.2% 17.8% 2.7% -3.3 -7 3.01
RP MLB Percentile 78 87 94 23 84 84 89 70 79 78
RP MLB AVG 884 4.94 45.8% 17.4% 36.8% 9.1% 4.7% 0.6 -1 3.56
Career 1,819 5.09 49.6% 17.1% 33.4% 16.2% 3.8% 3.2 -4 3.16
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