Mason Miller
P | Bats/Throws: R/R | 6' 5" 200LBS | Age: 26
Draft: 2021 | Rd: 3, #97, Oakland Athletics | Gardner-Webb University
W L ERA G GS SV IP SO WHIP
2023 0 3 3.78 10 6 0 33.1 38 1.20
2024 2 2 2.49 55 0 28 65 104 0.88
2025 0 0 0.00 7 0 6 7 14 0.57
3 Seasons 2 5 2.73 72 6 34 105.1 156 0.96
G W-L ERA IP SO WHIP
2023 10 0-3 3.78 33.1 38 1.20
2024 55 2-2 2.49 65 104 0.88
2025 7 0-0 0.00 7 14 0.57
3 Seasons 72 2-5 2.73 105.1 156 0.96
MLB Percentile Rankings
Movement Profile (Induced Break)
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Statcast Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
LA Sweet-
Spot %
XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2023 24 609 82 3 3.7 2.2 89.2 112.4 23.8 35.4 .185 .303 .280 .277 .306 34.1 27.3 11.5 3.78 3.18
2024 25 1024 123 7 5.7 2.8 86.1 109.8 17.9 28.5 .150 .225 .218 .206 .306 32.5 41.8 8.4 2.49 1.77
2025 26 98 9 0 0.0 0.0 79.2 98.3 -0.8 0.0 .091 .112 .140 .114 .228 44.4 58.3 4.2 0.00 0.55
Player 1731 214 10 4.7 2.4 87.0 112.4 19.4 29.9 .157 .243 .235 .225 .303 33.6 37.9 9.2
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .405 .316 .315 .368 36.6 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Miller relies on 2 pitches.
Four Seamer
(57.1%) ,
Slider
(42.9%) ,


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Pitch Tracking



Batted Ball Profile

AIR: Fly Balls + Line Drives + Popups All Batted Balls Batted Ball Breakdown
Season GB % AIR % FB % LD % PU % Pull % Straight % Oppo % Pull GB % Straight GB % Oppo GB % Pull AIR % Straight AIR % Oppo AIR %
2023 25.6 74.4 34.1 25.6 14.6 24.4 35.4 40.2 11.0 8.5 6.1 13.4 26.8 34.1
2024 40.7 59.3 26.8 21.1 11.4 29.3 37.4 33.3 17.1 17.9 5.7 12.2 19.5 27.6
2025 66.7 33.3 33.3 0.0 0.0 33.3 33.3 33.3 11.1 33.3 22.2 22.2 0.0 11.1
Player 36.0 64.0 29.9 22.0 12.1 27.6 36.4 36.0 14.5 15.0 6.5 13.1 21.5 29.4
MLB 44.4 55.6 23.8 24.7 7.1 37.2 37.4 25.2 20.6 17.8 5.9 16.6 19.7 19.3
! Note: All figures in this table cover the period 2015-present.

Quality of Contact

Season Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2023 4.9 17.1 42.7 24.4 7.3 3.7 2.2
2024 3.3 28.5 32.5 25.2 4.9 5.7 2.8
2025 22.2 44.4 33.3 0.0 0.0 0.0 0.0
Player 4.7 24.8 36.4 23.8 5.6 4.7 2.4
MLB 3.9 32.6 24.8 24.4 5.9 7.0 4.8
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: This section shows two different ways to evaluate pitch movement. On the left, “Total Movement” shows the real-world movement of a pitch, including the forces of gravity, which affects every pitch thrown. Since gravity requires time, and slower pitches aren't 'better' just because they have more time to move, a pitch's movement is compared to other pitches of the same pitch type, within +/- 2 MPH and +/- 0.5 feet of extension/release. On the right, Induced Movement (or IVB) is reported without gravity, and attempts to isolate movement created by the pitcher's ability to spin and manipulate the ball.
Total Movement (in inches, w/ gravity)Induced Movement (in inches, w/o gravity)
YearPitchTeamHand#MPHVertical
Drop
vs.
Comparable
Horizontal
Break
vs.
Comparable
Vertical
Break
vs. AvgHorizontal
Break
vs. Avg
2025 4-Seam Fastball ATH R 56 100.5 10.8 0.3 8.0ARM 0.1 16.5 0.4 8.0ARM 0.4
2025 Slider ATH R 42 87.3 37.0 3.0 9.5GLV 5.5 -1.0 2.9 9.5GLV 4.4
2024 Changeup OAK R 18 92.4 27.7 0.8 13.3ARM -2.0 4.3 0.6 13.3ARM -0.9
2024 Split-Finger OAK R 2 97.6 22.2 -4.4 16.5ARM 4.3 6.7 -4.1 16.5ARM 5.8
2024 Slider OAK R 358 87.5 37.7 4.1 7.2GLV 3.2 -1.9 3.5 7.2GLV 2.3
2024 4-Seam Fastball OAK R 646 100.9 10.4 0.8 9.7ARM 1.0 16.6 0.9 9.7ARM 2.1
! Note: Years are in reverse order.

Run Values by Pitch Type

Year Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2025 4-Seam Fastball 4.1 2 56 57.1 12 .091 .091 .133 40.6 50.0 37.5 .094 .117 .144 60.0
2025 Slider 3.4 1 42 42.9 12 .167 .167 .150 61.9 66.7 44.4 .088 .107 .085 25.0
2024 4-Seam Fastball 1.8 11 646 63.1 150 .178 .319 .255 37.1 37.3 28.4 .182 .280 .250 37.5
2024 Slider 2.0 7 358 35.0 92 .140 .186 .171 47.2 51.1 31.3 .098 .140 .140 22.5
2024 Changeup 4.2 1 18 1.8 4 .000 .000 .000 40.0 25.0 16.7 .162 .186 .151 33.3
2024 Split-Finger -1.3 0 2 0.2 -- -- -- 0.0 -- 0.0 -- -- -- --
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.

Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2025 4-Seam Fastball 56 100.5 94 18.1 1:00 1:00 0
2025 Slider 42 87.3 49 10.5 8:00 8:30 -30
2024 Changeup 18 92.4 89 14.4 2:00 2:30 -30
2024 4-Seam Fastball 643 100.9 91 19.1 1:15 1:00 15
2024 Slider 358 87.5 48 8.7 7:45 8:00 -15
! Note: Years are in reverse order.
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! Note: This table is showing data from the PITCHER perspective.
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Pitcher Arm Angle

! Note: Data is available from 2020 through the present.
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Statcast Pitching Run Value

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2023 139 609 4 8 -5 -3 4
2024 246 1,024 8 15 -1 -2 19
2025 24 98 1 2 1 0 4
Player 409 1,731 13 25 -5 13 27
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2023 609 49.3 68.0 81.9 25.2 52.6 41.4 55.4 46.3 26.2 6.1 75.7
2024 1,024 50.7 66.9 70.9 37.4 39.7 43.3 65.0 52.3 40.1 7.9 77.8
2025 98 46.9 65.2 63.3 44.2 34.8 44.9 58.3 54.1 49.1 3.1 100.0
Player 1,731 50.0 67.2 74.4 33.5 42.8 42.7 61.4 50.3 36.2 7.0 77.7
MLB 48.7 67.0 82.0 28.5 57.7 42.6 61.1 47.2 25.0 7.3 76.3
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA /
xERA
xBA xSLG xISO xOBP Brl Brl% EV Hard
Hit%
K% BB% Whiff% Chase
Rate
FB
Velo
FB
Spin
CB
Spin
Extension
2023 96 83 66
2024 100 100 100 99 100 93 82 96 92 100 44 100 99 100 95 78
2025 100 96 79
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Expected Home Runs

Adjusted

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2023 26.4 2 1.9 0 1 2 1 50.0
2024 23.5 6 3.9 2 1 3 2 33.3
2025 -- 0 0.1 0 1 0 0 --
Player 24.2 8 5.8 2 3 5 3 37.5
Note: xHR tells how many of this pitcher's home runs allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Expected Home Runs by Park

Adjusted

Year HR
2023 2 1 3 2 3 2 3 1 2 1 3 4 1 1 2 2 2 1 1 3 1 1 2 1 2 1 2 3 1 3 1
2024 6 4 4 4 3 5 5 3 4 3 3 4 4 3 5 3 4 3 4 5 4 3 5 5 3 4 4 4 4 3 4
2025 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
Player 8 5 7 6 6 7 8 4 6 4 6 9 5 4 7 5 6 4 5 8 5 4 7 6 5 5 6 7 5 7 6
Note: xHR tells how many of this pitcher's home runs allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Year to Year Changes

Metric 2023 +/-   2024 +/-   2025
Fastball Velocity 97.6 3.3 100.9 -0.4 100.5
Offspeed Velocity 91.3 1.6 92.9 0.0 0.0
Breaking Velocity 86.0 1.5 87.5 -0.2 87.3
Exit Velocity 89.2 -3.1 86.1 -6.9 79.2
Launch Angle 23.8 -5.9 17.9 -18.7 -0.8
Barrel % 3.7 2.0 5.7 -5.7 0.0
Hard Hit % 34.1 -1.6 32.5 11.9 44.4
LA Sweet-Spot % 35.4 -6.9 28.5 -28.5 0.0
xBA .185 -0.035 .150 -0.059 .091
BA .203 -0.043 .160 -0.030 .130
xwOBA .277 -0.071 .206 -0.092 .114
wOBA .280 -0.062 .218 -0.078 .140
xSLG .303 -0.078 .225 -0.113 .112
SLG .305 -0.043 .262 -0.132 .130
K% 27.3 14.5 41.8 16.5 58.3
BB% 11.5 -3.1 8.4 -4.2 4.2
Swing % 46.3 6.0 52.3 1.8 54.1
Whiff% 26.2 13.9 40.1 9.0 49.1
In Zone % 49.3 1.4 50.7 -3.8 46.9
Out of Zone % 50.7 -1.4 49.3 3.8 53.1
Out of Zone Swing % 25.2 12.2 37.4 6.8 44.2
First Pitch Swing % 25.9 10.7 36.6 -3.3 33.3
First Pitch Strike % 55.4 9.6 65.0 -6.7 58.3
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2023 Shades 139 .280 77 0 0.0 62 32 51.6
2024 Shades 246 .218 136 0 0.0 110 34 30.9
2025 Shades 24 .140 16 0 0.0 8 2 25.0
! Note: Shifts are through the 2022 season, Shaded starting from the 2023 season, Shift: three or more infielders are on the same side of second base, Shade: positioned outside of their typical responsible slices of the field.
Learn more about how positioning is defined here

Pitch Tempo

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2023 179 15.0 49.2% 0.6% 87 19.6 2.3% 0.0%
2024 278 15.3 38.5% 0.4% 130 17.9 3.1% 0.0%
2025 18 15.0 44.4% 0.0% 10 16.0 10.0% 0.0%

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Pitch Distribution