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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 21.1 4.64 1.36 23.3% 13.3%
66th 2
Sv
255th 33.0
IP
224th 4.33
ERA
185th 1.37
WHIP
144th 22.3%
K%
285th 10.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.9 9.1% 26.6% 49.0% 6.3% 4.84 4.18
154th 94.4
FB MPH
302nd 12.1%
SwStr%
247th 28.4%
CSW%
239th 50.7%
Str-ICR
290th 4.6%
MTK%
256th 4.93
PLV
275th 3.55
PLA
Holds List
Rank
118th

Articles

7/11/2026Fantasy Baseball Relief Pitcher Roundup: 7/10Rick Graham

7/9/2026Fantasy Baseball Relief Pitcher Roundup: 7/8Rick Graham

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

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 13 0 21.1 1-0 2 0 4.64 1.36 4.90 5.90 4.44 4.18 23.3% 13.3% 7.2 2.11 .231 35.7% 81.8% 42.1% 32.1% 9.1% 26.6% 0.46 4.84
RP MLB Percentile 17 0 27 27-75 73 0 36 45 23 10 40 21 58 18 69 9 85 4 83 18 11 13 28 39 25
RP MLB AVG 26 1 33.0 2-2 2 4 4.33 1.37 4.30 4.33 4.38 3.55 22.3% 10.0% 8.4 1.15 .291 18.3% 72.3% 37.2% 43.5% 12.1% 28.4% 0.50 4.93
Career 18 5 43.2 2-1 2 0 5.77 1.51 4.74 5.36 4.94 4.00 20.1% 11.9% 8.9 1.65 .285 22.9% 68.1% 38.2% 34.6% 9.4% 25.8% 0.42 4.92

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 13 0 21.1 1-0 0 2 0 384 236 148 90 17 8 3 1 5 21 12 0 0
RP MLB Percentile 17 0 27 27-75 0 73 0 29 29 68 26 78 90 65 11 24 27 49 75 64
RP MLB AVG 26 1 33.0 2-2 0 2 4 562 358 204 144 31 20 6 1 4 32 14 2 1
Career 18 5 43.2 2-1 0 2 0 815 500 315 194 43 25 9 1 8 39 23 1 2

Mason Barnett 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
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 23.3% 13.3% .218 .474 .796 .341 .231 .298 .245 .346 .287 .406 89.1 88.7 17.9 4.90
RP MLB Percentile 58 18 69 19 27 31 85 67 37 23 43 18 27 59 19 23
RP MLB AVG 22.3% 10.0% .243 .394 .720 .318 .291 .322 .238 .320 .281 .362 87.7 89.3 13.3 4.30
Career 20.1% 11.9% .254 .462 .807 .350 .285 .328 .246 .341 .275 .380 88.7 88.5 17.3 4.74

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 ATH42.2% (94.9)--26.0% (87.6)16.9% (83.4)12.2% (79.2)2.6% (85.8)-- 42.2% 57.8%
RP MLB Percentile 60 (54) - - 56 (70) 44 (63) 44 (31) 5 (37) - - 27.7% 72.0%
RP MLB AVG 38.1% (94.4) 25.7% (93.9) 20.7% (89.4) 25.5% (85.5) 21.5% (82.5) 16.5% (79.9) 17.2% (86.3) 18.4% (86.4) 32.7% (68.2) 48.3% 51.5%
Career48.1% (94.6)--12.3% (87.6)19.3% (84.2)13.7% (78.8)6.6% (85.5)-- 48.1% 51.9%

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% (18)---29.3% (14)32.3% (7)25.0% (3)-- 21.3% 29.4%
2026 ATH24.1% (9)--32.0% (13)30.8% (9)17.0% (2)30.0% (2)-- 24.1% 28.4%
RP MLB Percentile 28 (68) - - 62 (41) 61 (45) 16 (61) 84 (68) - - 16.3% 46.0%
RP MLB AVG 27.0% (20) 26.9% (8) 27.2% (10) 29.3% (16) 28.1% (13) 27.3% (9) 21.5% (12) 23.5% (15) 23.9% (7) 27.7% 28.7%
Career22.4% (27)--32.0% (13)29.9% (23)25.9% (9)25.9% (5)-- 22.4% 28.8%

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 32.1% 28.6% 25.0% 14.3% 35.7% 35.1% 35.1% 29.8% 20.1% 57.1% 28.6% 3.6% 10.7% 42.1%
RP MLB Percentile 11 9 54 83 43 18 64 82 81 15 18 76 12 18
RP MLB AVG 43.5% 21.8% 24.4% 10.4% 34.7% 41.0% 33.9% 25.1% 18.0% 62.5% 24.4% 5.9% 7.2% 37.2%
Career 34.6% 25.4% 26.9% 13.1% 36.9% 39.7% 34.4% 26.0% 19.5% 61.6% 22.3% 6.9% 9.2% 38.2%

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 .218 .341 .231 .298 .245 .346 .287 .406 89.1 88.7 17.9 35.7% 42.1% 26.7%
RP MLB Percentile 69 31 85 67 37 23 43 18 27 59 19 4 18 31
RP MLB AVG .243 .318 .291 .322 .238 .320 .281 .362 87.7 89.3 13.3 18.3% 37.2% 24.7%
Career .254 .350 .285 .328 .246 .341 .275 .380 88.7 88.5 17.3 22.9% 38.2% 25.8%

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 46.9% 61.5% 44.0% 28.9% 20.7% 20.1% 79.3% 91.8% 55.9% 17.4% 9.1% 26.6% 14.8% 57.0% 0.46 49.0%
RP MLB Percentile 78 23 18 27 19 81 19 5 63 67 13 28 15 34 39 31
RP MLB AVG 44.5% 63.5% 47.1% 31.4% 25.5% 18.0% 74.5% 84.0% 58.5% 16.3% 12.1% 28.4% 17.1% 58.0% 0.50 50.7%
Career 46.9% 61.3% 45.0% 28.6% 21.0% 19.5% 79.0% 90.1% 57.3% 16.3% 9.4% 25.8% 16.1% 56.1% 0.42 49.1%

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 46.9% 28.6% 26.8% 44.5% 33.9% 17.2% 49.0% 30.7% 42.4% 4.4%
RP MLB Percentile 78 16 51 84 37 97 87 59 42 5
RP MLB AVG 44.5% 34.7% 27.0% 38.3% 36.5% 22.9% 40.5% 29.9% 43.1% 6.6%
Career 46.9% 29.1% 28.0% 42.9% 36.3% 19.6% 44.0% 28.8% 43.2% 5.8%

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 56.8% 14.1% 30.2% 7.8% 60.7% 52.8% 25.2% 23.3% 18.1%
RP MLB Percentile 23 24 57 2 47 69 89 22 37
RP MLB AVG 58.5% 12.3% 29.6% 14.5% 60.7% 49.9% 21.0% 26.4% 19.2%
Career 56.8% 12.6% 31.0% 10.8% 60.6% 53.4% 23.5% 22.1% 15.4%

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 384 4.84 43.0% 17.7% 39.3% 3.6% 6.3% 2.2 -5 4.18
RP MLB Percentile 29 25 21 56 24 24 15 39 81 21
RP MLB AVG 562 4.93 45.9% 17.3% 36.8% 9.1% 4.6% 0.9 +0 3.55
Career 815 4.92 46.7% 16.2% 37.1% 9.7% 5.6% 11.0 +3 4.00
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