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Mason Barnett

#63 - Relief Pitcher

Athletics

Bats / Throws Right / Right
Date of Birth 11/7/2000 (25)
Height, Weight 6'0", 218 lb
Hometown Kennesaw, GA

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
2 15.1 1.17 0.98 32.2% 11.9%
59th 2
Sv
281st 29.0
IP
12th 4.41
ERA
34th 1.40
WHIP
20th 22.2%
K%
250th 10.2%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.1 10.9% 27.6% 54.1% 7.8% 4.95 3.48
140th 94.5
FB MPH
218th 12.1%
SwStr%
201st 28.4%
CSW%
61st 50.6%
Str-ICR
337th 4.6%
MTK%
165th 4.93
PLV
174th 3.55
PLA
Saves List
Rank
39th
Holds List
Rank
70th
Saves+Holds List
Rank
98th

Articles

6/30/2026Top 100 Starting Pitchers For 2026 Fantasy Baseball: 6/30 Week 15 RankingsNick Pollack

6/28/2026Fantasy Baseball Relief Pitcher Roundup: 6/27Rick Graham

6/26/2026Waiver Relief: Week 14Alex Kamberis

6/26/2026Fantasy Baseball Relief Pitcher Roundup: 6/25Rick Graham

6/24/2026Fantasy Baseball Relief Pitcher Roundup: 6/23Rick Graham

See More Articles
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Mason Barnett 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
2025 ATH 5 5 22.1 1-1 0 0 6.85 1.66 4.59 4.90 5.46 3.84 17.3% 10.6% 10.5 1.21 .324 14.3% 59.2% 35.1% 36.5% 9.7% 25.1% 0.38 5.00
2026 ATH 9 0 15.1 1-0 2 0 1.17 0.98 2.94 2.84 3.57 3.48 32.2% 11.9% 4.7 0.59 .219 10.0% 95.6% 39.4% 28.1% 10.9% 27.6% 0.58 4.95
RP MLB Percentile 13 0 19 32-72 74 0 97 90 85 88 80 50 94 28 96 77 89 79 98 34 6 35 42 78 52
RP MLB AVG 23 1 29.0 2-2 2 4 4.41 1.40 4.35 4.37 4.42 3.55 22.2% 10.2% 8.5 1.13 .291 18.0% 72.0% 37.2% 43.4% 12.1% 28.4% 0.49 4.93
Career 14 5 37.2 2-1 2 0 4.54 1.38 3.92 4.05 4.67 3.69 22.7% 11.0% 8.1 0.96 .291 12.9% 69.6% 36.4% 34.0% 10.2% 26.0% 0.46 4.98

Mason Barnett Repertoire

2025 2026 All
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Mason Barnett Game Log

Mason Barnett 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
2025 ATH 5 5 22.1 1-1 0 0 0 431 264 167 104 26 17 6 0 3 18 11 1 2
2026 ATH 9 0 15.1 1-0 0 2 0 257 165 92 59 8 5 2 0 1 19 7 0 0
RP MLB Percentile 13 0 19 32-72 0 74 0 18 18 83 15 95 95 73 34 77 31 74 70 61
RP MLB AVG 23 1 29.0 2-2 0 2 4 494 314 180 127 27 18 5 0 4 28 12 2 1
Career 14 5 37.2 2-1 0 2 0 688 429 259 163 34 22 8 0 4 37 18 1 2

Mason Barnett Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2025 ATH 17.3% 10.6% .286 .451 .816 .355 .324 .351 .247 .335 .267 .358 88.5 88.4 16.8 4.59
2026 ATH 32.2% 11.9% .154 .250 .504 .228 .219 .242 .199 .266 .302 .343 89.1 83.7 19.6 2.94
RP MLB Percentile 94 28 96 93 94 94 89 91 86 85 30 62 28 92 16 85
RP MLB AVG 22.2% 10.2% .243 .393 .721 .319 .291 .321 .237 .320 .280 .361 87.8 89.3 13.4 4.35
Career 22.7% 11.0% .238 .378 .703 .312 .291 .318 .230 .312 .277 .355 88.7 86.9 17.7 3.92

Mason Barnett 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%
2025 ATH53.4% (94.3)---21.4% (84.8)15.1% (78.5)10.2% (85.4)-- 53.4% 46.6%
2026 ATH38.1% (95.1)--28.0% (88.2)17.9% (83.5)13.6% (79.3)2.3% (85.7)-- 38.1% 61.9%
RP MLB Percentile 51 (59) - - 60 (79) 48 (61) 50 (31) 3 (36) - - 22.2% 77.8%
RP MLB AVG 37.5% (94.5) 25.1% (94.0) 21.0% (89.4) 26.0% (85.1) 21.1% (82.6) 17.4% (79.6) 17.8% (86.2) 19.1% (86.4) 31.8% (68.1) 48.0% 51.8%
Career47.7% (94.6)--10.5% (88.2)20.1% (84.4)14.5% (78.8)7.3% (85.4)-- 47.7% 52.3%

Mason Barnett 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%
2025 ATH21.3% (-)---29.3% (-)32.3% (-)25.0% (-)-- - -
2026 ATH21.4% (-)--36.1% (-)34.8% (-)17.1% (-)33.3% (-)-- - -
RP MLB Percentile 14 (72) - - 81 (40) 82 (53) 14 (62) 90 (77) - - 8.5% 69.9%
RP MLB AVG 26.9% (17) 27.3% (7) 27.4% (9) 29.6% (15) 28.3% (12) 27.7% (8) 21.6% (12) 24.1% (14) 23.3% (6) 27.6% 28.7%
Career21.3% (-)--36.1% (-)31.2% (-)27.0% (-)26.0% (-)-- - -

Mason Barnett 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%
2025 ATH 36.5% 23.0% 28.4% 12.2% 37.8% 43.2% 33.8% 23.0% 19.0% 64.9% 17.6% 9.5% 8.1% 35.1%
2026 ATH 28.1% 28.1% 31.3% 12.5% 34.4% 36.4% 30.3% 33.3% 23.7% 59.4% 31.3% 3.1% 6.3% 39.4%
RP MLB Percentile 6 12 87 72 50 23 29 91 99 28 9 83 56 34
RP MLB AVG 43.4% 21.6% 24.5% 10.5% 34.5% 41.1% 33.7% 25.2% 17.9% 62.5% 24.5% 5.9% 7.2% 37.2%
Career 34.0% 24.5% 29.2% 12.3% 36.8% 41.1% 32.7% 26.2% 20.8% 63.2% 21.7% 7.5% 7.5% 36.4%

Mason Barnett 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%
2025 ATH .286 .355 .324 .351 .247 .335 .267 .358 88.5 88.4 16.8 14.3% 35.1% 25.0%
2026 ATH .154 .228 .219 .242 .199 .266 .302 .343 89.1 83.7 19.6 10.0% 39.4% 22.0%
RP MLB Percentile 96 94 89 91 86 85 30 62 28 92 16 79 34 72
RP MLB AVG .243 .319 .291 .321 .237 .320 .280 .361 87.8 89.3 13.4 18.0% 37.2% 24.7%
Career .238 .312 .291 .318 .230 .312 .277 .355 88.7 86.9 17.7 12.9% 36.4% 23.9%

Mason Barnett 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
2025 ATH 46.9% 61.3% 45.9% 28.4% 21.2% 19.0% 78.8% 88.7% 58.5% 15.3% 9.7% 25.1% 17.2% 55.2% 0.38 49.2%
2026 ATH 49.0% 64.2% 47.5% 32.8% 23.0% 23.7% 77.0% 91.1% 51.2% 16.7% 10.9% 27.6% 12.8% 61.1% 0.58 54.1%
RP MLB Percentile 90 56 50 61 34 99 34 5 81 57 35 42 4 84 78 82
RP MLB AVG 44.4% 63.4% 47.0% 31.3% 25.6% 17.9% 74.4% 83.9% 58.6% 16.3% 12.1% 28.4% 17.1% 57.9% 0.49 50.6%
Career 47.7% 62.4% 46.5% 30.0% 21.9% 20.8% 78.1% 89.6% 55.6% 15.8% 10.2% 26.0% 15.6% 57.4% 0.46 51.0%

Mason Barnett Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2025 ATH 46.9% 29.5% 29.0% 41.5% 38.5% 21.8% 39.7% 27.1% 43.9% 7.0%
2026 ATH 49.0% 26.5% 29.6% 44.0% 35.0% 16.7% 48.2% 30.4% 40.1% 4.7%
RP MLB Percentile 90 11 23 80 41 97 84 55 28 9
RP MLB AVG 44.4% 34.5% 27.0% 38.5% 36.5% 22.8% 40.7% 29.9% 43.1% 6.5%
Career 47.7% 28.3% 29.2% 42.4% 37.2% 19.9% 42.9% 28.3% 42.4% 6.1%

Mason Barnett Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2025 ATH 56.8% 11.4% 31.8% 13.5% 60.6% 53.8% 22.0% 21.2% 13.1%
2026 ATH 54.9% 11.7% 35.0% 6.4% 60.3% 51.7% 24.8% 27.8% 21.1%
RP MLB Percentile 7 57 94 0 47 62 86 62 67
RP MLB AVG 58.5% 12.4% 29.6% 14.4% 60.6% 49.8% 21.0% 26.4% 19.1%
Career 56.1% 11.5% 33.0% 10.9% 60.5% 53.1% 23.1% 23.8% 16.3%

Mason Barnett PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2025 ATH 431 5.00 50.1% 14.8% 35.0% 15.1% 5.1% 8.8 +7 3.84
2026 ATH 257 4.95 46.3% 16.0% 37.7% 8.6% 7.8% -4.2 -7 3.48
RP MLB Percentile 18 52 52 31 42 42 4 84 94 50
RP MLB AVG 494 4.93 45.8% 17.2% 37.0% 8.9% 4.6% 0.9 +0 3.55
Career 688 4.98 48.7% 15.3% 36.0% 12.6% 6.1% 4.6 0 3.69
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