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Isaac Mattson

Relief Pitcher

Pittsburgh Pirates

Bats / Throws Right / Right
Date of Birth 7/14/1995 (29)
Height, Weight 6'2", 205 lb
Hometown Erie, PA

2024 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 5.1 5.06 1.13 26.1% 21.7%
3
Sv
45
IP
4.00
ERA
1.28
WHIP
23.7%
K%
9.1%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.0 11.0% 27.0% 52.0% 8.0% 4.68 4.96
94.6
FB MPH
12.7%
SwStr%
29.2%
CSW%
51.8%
Str-ICR
5.6%
MTK%
4.98
PLV
-
PLA

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Isaac Mattson Overview

Hide 2024 MLB Percentile | Hide 2024 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
2021 BAL 4 0 4.1 0-0 0 0 6.23 2.31 3.62 5.37 9.30 6.88 13.0% 21.7% 10.4 0.00 .333 0.0% 70.0% 40.0% 33.3% 11.0% 24.2% 0.32 4.45
2024 PIT 3 0 5.1 0-0 0 0 5.06 1.13 5.01 4.34 5.28 4.96 26.1% 21.7% 1.7 0.00 .091 0.0% 57.1% 45.5% 54.5% 11.0% 27.0% 0.56 4.68
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - - - - - - -
RP MLB AVG 41 0 45.0 3-2 3 7 4.00 1.28 4.11 4.05 4.01 3.38 23.7% 9.1% 8.0 1.07 .288 17.6% 72.5% 36.8% 44.8% 12.7% 29.2% 0.53 4.98
Career 7 0 9.2 0-0 0 0 5.59 1.66 - - - 5.82 19.6% 21.7% 5.6 0.00 .231 0.0% 64.7% 42.3% 42.3% 11.0% 25.7% 0.45 4.57

Isaac Mattson Repertoire

2021 2024 All
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Isaac Mattson Game Log

Isaac Mattson 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
2021 BAL 4 0 4.1 0-0 0 0 0 91 53 38 23 5 4 1 0 0 3 5 0 1
2024 PIT 3 0 5.1 0-0 0 0 0 100 62 38 23 1 1 0 0 0 6 5 1 0
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - -
RP MLB AVG 41 0 45.0 3-2 0 3 7 745 480 265 191 39 26 7 1 5 46 17 2 2
Career 7 0 9.2 0-0 0 0 0 191 115 76 46 6 5 1 0 0 9 10 1 1

Isaac Mattson Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2021 BAL 13.0% 21.7% .278 .333 .768 .357 .333 .333 .145 .291 .148 .215 90.1 90.4 25.4 3.62
2024 PIT 26.1% 21.7% .059 .059 .363 .219 .091 .091 .201 .347 .287 .347 83.3 97.8 6.7 5.01
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 23.7% 9.1% .236 .382 .695 .304 .288 .317 .232 .307 .279 .359 87.9 89.4 12.6 4.11
Career 19.6% 21.7% .171 .200 .570 .289 .231 .231 .172 .320 .207 .272 87.2 92.2 17.5 -

Isaac Mattson 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%
2021 BAL 65.9% (92.8) - - 13.2% (84.6) - 13.2% (80.9) 7.7% (86.2) - - 65.9% 34.1%
2024 PIT 70.0% (94.0) - - 7.0% (86.2) - - 23.0% (85.1) - - 70.0% 30.0%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 40.1% (94.6) 27.8% (93.6) 22.5% (89.3) 30.0% (85.5) 21.8% (81.9) 17.4% (79.6) 16.3% (86.1) 19.8% (86.6) 29.1% (65.1) 48.9% 51.0%
Career 68.1% (93.4) - - 9.9% (85.2) - 6.3% (80.9) 15.7% (85.4) - - 68.1% 31.9%

Isaac Mattson 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%
2021 BAL 21.7% (5) - - 33.3% (3) - 33.3% (2) 14.3% (0) - - 21.7% 29.0%
2024 PIT 28.6% (5) - - 0.0% (0) - - 30.4% (6) - - 28.6% 23.3%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 27.8% (28) 27.0% (10) 26.8% (13) 30.3% (28) 29.0% (16) 28.5% (10) 22.4% (11) 23.9% (23) 5.9% (1) 28.3% 29.7%
Career 25.4% (10) - - 21.1% (3) - 33.3% (2) 26.7% (6) - - 25.4% 26.2%

Isaac Mattson Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR
2021 BAL 33.3% 6.7% 40.0% 20.0% 26.7% 26.7% 26.7% 46.7% 17.6% 60.0% 13.3% 13.3% 13.3% 40.0%
2024 PIT 54.5% 18.2% 18.2% 9.1% 36.4% 9.1% 45.5% 45.5% 24.0% 54.6% 27.3% 9.1% 9.1% 45.5%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG 44.8% 21.3% 24.1% 9.8% 34.3% 40.4% 33.7% 25.9% 18.1% 63.1% 24.1% 5.8% 7.1% 36.8%
Career 42.3% 11.5% 30.8% 15.4% 30.8% 19.2% 34.6% 46.2% 20.9% 57.7% 19.2% 11.5% 11.5% 42.3%

Isaac Mattson Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR IPA%
2021 BAL .278 .357 .333 .333 .145 .291 .148 .215 90.1 90.4 25.4 0.0% 40.0% 26.1%
2024 PIT .059 .219 .091 .091 .201 .347 .287 .347 83.3 97.8 6.7 0.0% 45.5% 21.7%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG .236 .304 .288 .317 .232 .307 .279 .359 87.9 89.4 12.6 17.6% 36.8% 24.3%
Career .171 .289 .231 .231 .172 .320 .207 .272 87.2 92.2 17.5 0.0% 42.3% 23.9%

Isaac Mattson 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
2021 BAL 42.9% 58.2% 45.1% 25.0% 24.4% 17.6% 75.6% 82.1% 61.5% 13.2% 11.0% 24.2% 16.5% 52.7% 0.32 45.1%
2024 PIT 45.0% 62.0% 46.0% 27.3% 23.9% 24.0% 76.1% 80.6% 66.7% 16.0% 11.0% 27.0% 11.0% 61.0% 0.56 52.0%
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 46.0% 64.3% 47.8% 30.4% 26.5% 18.1% 73.5% 82.7% 56.4% 16.5% 12.7% 29.2% 17.0% 58.9% 0.53 51.8%
Career 44.0% 60.2% 45.5% 26.2% 24.1% 20.9% 75.9% 81.4% 64.3% 14.7% 11.0% 25.7% 13.6% 57.1% 0.45 48.7%

Isaac Mattson Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2021 BAL 42.9% 40.7% 19.8% 39.6% 42.9% 17.6% 39.6% 33.0% 47.3% 1.1%
2024 PIT 45.0% 43.0% 27.0% 30.0% 49.0% 23.0% 28.0% 25.0% 48.0% 10.0%
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 46.0% 33.6% 25.5% 40.9% 29.3% 24.9% 45.8% 29.1% 45.4% 6.9%
Career 44.0% 41.9% 23.6% 34.6% 46.1% 20.4% 33.5% 28.8% 47.6% 5.8%

Isaac Mattson Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2021 BAL 51.6% 16.5% 31.9% 19.1% 52.2% 34.8% 17.0% 24.1% 10.3%
2024 PIT 56.0% 12.0% 32.0% 7.1% 47.8% 47.8% 25.0% 25.0% 18.8%
RP MLB Percentile - - - - - - - - -
RP MLB AVG 58.5% 11.7% 30.4% 14.2% 61.7% 51.0% 21.6% 24.7% 19.8%
Career 53.9% 14.1% 31.9% 12.6% 50.0% 41.3% 21.4% 24.6% 14.8%

Isaac Mattson PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2021 BAL 91 4.45 44.0% 11.0% 45.1% -1.1% 4.4% 0.4 +3 6.88
2024 PIT 100 4.68 41.0% 21.0% 38.0% 3.0% 8.0% -2.8 -4 4.96
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 745 4.98 46.1% 17.6% 36.3% 9.7% 5.6% - +3 3.38
Career 191 4.57 42.4% 16.2% 41.4% 1.0% 6.3% -2.5 -1 5.82
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