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Mason Barnett
Athletics · RHP
#
63
Team
ATH · P
Debut
2025 · 2 MLB seasons

Mason Barnett

Age 25
Contract Value $196,037/yr
Size 6' 0" · 218
Throws RHP
Bats Right
From Kennesaw, GA
1-0 W-L
Team profile →Rotation →
4.64
ERA
1.36
WHIP
8.9
K/9
5.1
BB/9
21.1
Innings
0
Starts
Mason Barnett season snapshot
Season stats
ERA
4.64
WHIP
1.36
K/9
8.9
BB/9
5.1
HR/9
2.11
IP
21.1
GS
0
W-L
1-0
Mason Barnett ERA trend
Last 6
Earned runs per start
Avg 1.5 ER / start
↑ ERA trending up over recent starts.

Mason Barnett game log

2026 season
DateOpponentIPHERKBBERA
Jul 10Chicago White Sox1330127.00
Jul 8Detroit Tigers100020.00
Jul 5Miami Marlins232009.00
Jul 3Miami Marlins2342218.00
Jun 27Los Angeles Angels0.210000.00
Jun 25San Francisco Giants100100.00
Jun 23San Francisco Giants111329.00
Jun 18Los Angeles Angels110110.00
Jun 15Pittsburgh Pirates221104.50
Jun 12Colorado Rockies1.210100.00
Jun 9Milwaukee Brewers200400.00
Jun 5Houston Astros410720.00
Apr 19Chicago White Sox210120.00

Mason Barnett season splits

Home / away / vs L-R · 2026
Home ERA
ERA1.04
Away ERA
ERA1.35
vs Left AVG
AVG0.238
vs Right AVG
AVG0.097
Mason Barnett monthly splits
ERA · IP · K · BB · WHIP per month
MonthGSERAIPKBBWHIP
Apr00.002.0121.50
Jun01.3513.11850.90
Jul013.506.0252.33
Pitch arsenal
Usage and average velocity · 2026
FFFour-seam FB
42.2%94.9 mph
SLSlider
26.0%87.6 mph
STSweeper
16.9%83.4 mph
CUCurveball
12.2%79.2 mph
CHChangeup
2.6%85.7 mph

Performance vs teams

2026 starts · sorted by ERA
TeamERAGS
Detroit Tigers
0.00
1
Los Angeles Angels
0.00
2
Colorado Rockies
0.00
1
Milwaukee Brewers
0.00
1
Houston Astros
0.00
1
San Francisco Giants
4.50
2
Pittsburgh Pirates
4.50
1
Chicago White Sox
9.00
2
Miami Marlins
13.50
2

Hot / Cold zones

Opponent results by strike zone area

AVG by zone

  • Zone 01: .250
  • Zone 02: .500
  • Zone 03: .250
  • Zone 04: .500
  • Zone 05: .200
  • Zone 06: .667
  • Zone 07: .333
  • Zone 08: .273
  • Zone 09: .143
  • Zone 11: .000
  • Zone 12: .000
  • Zone 13: .000
  • Zone 14: .000

OPS by zone

  • Zone 01: .750
  • Zone 02: 1.667
  • Zone 03: .500
  • Zone 04: 2.500
  • Zone 05: .700
  • Zone 06: 2.333
  • Zone 07: .667
  • Zone 08: .818
  • Zone 09: .286
  • Zone 11: .400
  • Zone 12: .111
  • Zone 13: .500
  • Zone 14: .313

SLG by zone

  • Zone 01: .500
  • Zone 02: 1.167
  • Zone 03: .250
  • Zone 04: 2.000
  • Zone 05: .500
  • Zone 06: 1.667
  • Zone 07: .333
  • Zone 08: .545
  • Zone 09: .143
  • Zone 11: .000
  • Zone 12: .000
  • Zone 13: .000
  • Zone 14: .000

OBP by zone

  • Zone 01: .250
  • Zone 02: .500
  • Zone 03: .250
  • Zone 04: .500
  • Zone 05: .200
  • Zone 06: .667
  • Zone 07: .333
  • Zone 08: .273
  • Zone 09: .143
  • Zone 11: .400
  • Zone 12: .111
  • Zone 13: .500
  • Zone 14: .313

earnedRunAverage by zone

  • Zone 01: -
  • Zone 02: -
  • Zone 03: -
  • Zone 04: -
  • Zone 05: -
  • Zone 06: -
  • Zone 07: -
  • Zone 08: -
  • Zone 09: -
  • Zone 11: -
  • Zone 12: -
  • Zone 13: -
  • Zone 14: -

numberOfPitches by zone

  • Zone 01: 17.00
  • Zone 02: 15.00
  • Zone 03: 15.00
  • Zone 04: 13.00
  • Zone 05: 22.00
  • Zone 06: 25.00
  • Zone 07: 14.00
  • Zone 08: 30.00
  • Zone 09: 29.00
  • Zone 11: 38.00
  • Zone 12: 34.00
  • Zone 13: 39.00
  • Zone 14: 93.00

numberOfStrikes by zone

  • Zone 01: 13.00
  • Zone 02: 10.00
  • Zone 03: 11.00
  • Zone 04: 11.00
  • Zone 05: 15.00
  • Zone 06: 19.00
  • Zone 07: 11.00
  • Zone 08: 18.00
  • Zone 09: 22.00
  • Zone 11: 8.00
  • Zone 12: 5.00
  • Zone 13: 10.00
  • Zone 14: 26.00
0.4000.3000.200
.000.000.000.000.250.500.250.500.200.667.333.273.143
0.4000.3000.200

Last 10 matchups

vs Chicago White Sox — 2026-07-10
3ER · 1ip
→
vs Detroit Tigers — 2026-07-08
0ER · 1ip
→
vs Miami Marlins — 2026-07-05
2ER · 2ip
→
vs Miami Marlins — 2026-07-03
4ER · 2ip
→
vs Los Angeles Angels — 2026-06-27
0ER · 0.2ip
→
vs San Francisco Giants — 2026-06-25
0ER · 1ip
→
vs San Francisco Giants — 2026-06-23
1ER · 1ip
→
vs Los Angeles Angels — 2026-06-18
0ER · 1ip
→
vs Pittsburgh Pirates — 2026-06-15
1ER · 2ip
→
vs Colorado Rockies — 2026-06-12
0ER · 1.2ip
→

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