P | Kansas City Royals
Bats/Throws: R/R | 6' 3" 228 lbs | Age: 25
Draft: 2021 | Rd. 3, No. 85, San Francisco Giants | Lehigh
MLB Pipeline Rank
W L ERA G GS SV IP SO WHIP
2024 1 5 6.44 9 8 0 36.1 31 1.68
2025 0 0 6.75 1 0 0 4 5 1.25
2 Seasons 1 5 6.47 10 8 0 40.1 36 1.64
G W-L ERA IP SO WHIP
2024 9 1-5 6.44 36.1 31 1.68
2025 1 0-0 6.75 4 5 1.25
2 Seasons 10 1-5 6.47 40.1 36 1.64
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
2024 24 663 120 12 10.0 7.1 89.8 112.5 18.4 37.5 .283 .497 .387 .373 .421 40.8 18.3 8.9 6.44 6.13
2025 25 74 14 2 14.3 10.5 88.6 108.5 18.9 35.7 .218 .591 .410 .334 .453 50.0 26.3 0.0 6.75 4.74
Player 737 134 14 10.4 7.4 89.7 112.5 18.5 37.3 .276 .507 .389 .369 .424 41.8 19.1 8.0
MLB 7.2 4.9 88.6 122.9 12.4 33.3 .245 .404 .315 .315 .368 37.0 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Black relies on 5 pitches.
Four Seamer
(43.2%) ,
Sweeper
(31.1%) ,
Sinker
(16.2%) ,
Cutter
(6.8%) ,
Changeup
(2.7%) ,


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+ Similar Pitchers to Mason Black Based on Velocity and Movement:


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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 %
2024 32.5 67.5 35.8 24.2 7.5 39.2 35.8 25.0 16.7 10.0 5.8 22.5 25.8 19.2
2025 35.7 64.3 42.9 14.3 7.1 50.0 35.7 14.3 21.4 7.1 7.1 28.6 28.6 7.1
Player 32.8 67.2 36.6 23.1 7.5 40.3 35.8 23.9 17.2 9.7 6.0 23.1 26.1 17.9
MLB 44.2 55.8 24.0 24.7 7.1 37.4 37.4 25.1 20.6 17.6 5.9 16.7 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
2024 4.2 21.7 31.7 26.7 5.8 10.0 7.1
2025 7.1 28.6 28.6 7.1 14.3 14.3 10.5
Player 4.5 22.4 31.3 24.6 6.7 10.4 7.4
MLB 4.0 32.4 24.9 24.4 5.9 7.2 4.9
! 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 Sinker SF R 12 92.5 23.8 -0.5 15.0ARM -0.4 8.4 -1.0 15.0ARM -0.1
2025 Changeup SF R 2 86.9 33.8 0.0 14.4ARM 0.2 3.0 1.1 14.4ARM 0.0
2025 4-Seam Fastball SF R 32 92.7 17.1 -1.1 11.3ARM 3.4 15.0 -0.8 11.3ARM 3.7
2025 Cutter SF R 5 90.7 25.1 -0.4 1.3ARM -3.0 8.2 -0.1 1.3ARM -3.5
2025 Sweeper SF R 23 81.8 46.0 6.3 16.6GLV 2.4 -4.7 5.8 16.6GLV 2.7
2024 Slider SF R 61 87.4 32.4 -1.7 0.3ARM -4.7 3.4 -1.7 0.3ARM -5.1
2024 Sweeper SF R 168 81.2 41.6 2.1 13.8GLV -0.7 -0.1 1.6 13.8GLV -0.3
2024 Sinker SF R 193 92.6 24.8 -0.9 16.6ARM 1.0 7.1 0.1 16.6ARM 1.7
2024 Cutter SF R 15 90.2 29.1 -3.9 1.6ARM -2.7 4.5 -3.8 1.6ARM -4.3
2024 Changeup SF R 17 87.4 31.6 -2.0 13.7ARM -0.8 4.2 0.7 13.7ARM -0.5
2024 4-Seam Fastball SF R 209 92.4 17.6 -0.3 12.4ARM 3.4 14.4 -1.3 12.4ARM 4.8
! 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 -2.4 -1 32 43.2 7 .286 .571 .486 16.7 28.6 13.3 .195 .317 .221 40.0
2025 Sweeper -0.8 0 23 31.1 7 .143 .286 .307 30.8 28.6 28.6 .121 .232 .147 40.0
2025 Sinker -5.4 -1 12 16.2 3 .333 1.333 .667 0.0 33.3 100.0 .340 1.351 .676 100.0
2025 Cutter -22.8 -1 5 6.8 2 .500 2.000 1.000 33.3 0.0 -- .454 1.667 .869 50.0
2025 Changeup 1.7 0 2 2.7 -- -- -- 0.0 -- -- -- -- -- --
2024 4-Seam Fastball -2.4 -5 209 31.5 52 .333 .548 .427 23.1 26.9 15.6 .316 .589 .440 48.3
2024 Sinker -0.5 -1 193 29.1 49 .326 .535 .402 9.0 16.3 21.1 .265 .439 .343 47.2
2024 Sweeper -2.9 -5 168 25.3 46 .318 .591 .399 16.0 13.0 8.8 .295 .541 .373 31.6
2024 Slider 4.5 3 61 9.2 11 .000 .000 .064 16.7 18.2 16.7 .127 .262 .212 25.0
2024 Changeup -10.5 -2 17 2.6 6 .667 .833 .658 12.5 16.7 20.0 .514 .627 .498 60.0
2024 Cutter 4.9 1 15 2.3 5 .000 .000 .140 12.5 0.0 0.0 .037 .046 .169 25.0
! 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 32 92.7 99 18.6 1:30 1:15 15
2025 Sinker 12 92.5 95 17.3 1:30 2:15 -45
2025 Sweeper 22 81.9 45 18.6 7:30 8:15 -45
2024 Changeup 16 87.5 95 15.4 2:15 2:30 -15
2024 Cutter 15 90.2 42 3.9 1:15 1:00 15
2024 4-Seam Fastball 207 92.4 98 18.8 1:30 1:30 0
2024 Sinker 193 92.6 93 18.4 1:45 2:15 -30
2024 Slider 61 87.4 20 3.5 12:00 11:45 15
2024 Sweeper 168 81.2 47 14.7 7:45 8:45 -60
! Note: Years are in reverse order.
! 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
2024 169 663 0 1 -7 -3 -9
2025 19 74 -4 1 0 0 -3
Player 188 737 -4 2 -7 -4 -12
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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 %
2024 663 50.5 68.1 88.6 27.4 71.1 46.9 56.2 48.0 16.4 6.2 75.6
2025 74 55.4 78.0 84.4 33.3 72.7 45.9 68.4 58.1 18.6 13.5 90.0
Player 737 51.0 69.1 88.1 28.0 71.3 46.8 57.4 49.0 16.6 6.9 78.4
MLB 48.9 67.0 82.5 28.4 58.0 42.7 61.1 47.3 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
2024 26 17 80
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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 %
2024 25.54 7 6.1 1 2 7 1 14.3
2025 23.73 2 2.0 0 1 1 1 50.0
Player 25.14 9 8.1 1 3 8 2 22.2
Note: xHR tells how many of this pitcher's batted balls 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
2024 7 5 7 5 4 6 8 6 5 3 7 6 6 4 6 4 6 5 7 8 7 7 9 9 4 6 5 7 8 7 7
2025 2 2 1 2 2 2 2 2 2 2 2 3 1 2 2 2 2 2 2 3 2 1 2 2 2 2 2 2 2 2 2
Player 9 7 8 7 6 8 10 8 7 5 9 9 7 6 8 6 8 7 9 11 9 8 11 11 6 8 7 9 10 9 9
Note: xHR tells how many of this pitcher's batted balls 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

2025 +/-   2024
Results
BA .263 -.046 .309
xBA .218 -.065 .283
OBP .263 -.118 .381
xOBP .218 -.142 .360
SLG .737 +.220 .517
xSLG .591 +.094 .497
ISO .474 +.266 .208
xISO .373 +.159 .214
BABIP .250 -.098 .348
wOBA .410 +.023 .387
xwOBA .334 -.039 .373
wOBACON .557 +.116 .441
xwOBACON .453 +.032 .421
BACON .357 -.030 .387
xBACON .296 -.061 .357
Statcast Hit Metrics
Hard Hit % 50.0 +9.2 40.8
Avg Exit Velocity 88.6 -1.2 89.8
Launch Angle Sweet-Spot % 35.7 -1.8 37.5
Barrel % 14.3 +4.3 10.0
Avg Launch Angle 18.9 +0.5 18.4
Statcast Bat Tracking
Bat Speed 74.0 +2.9 71.1
Attack Angle +1°
Ideal Attack Angle % 56.4 +4.9 51.5
Attack Direction -2°
Swing Path - Tilt 31° 31°
Swing Length 7.0 0.0 7.0
Statcast Pitch Metrics
Fastball Velocity 92.5 +0.1 92.4
Breaking Velocity 81.8 -1.1 82.9
Offspeed Velocity 86.9 -0.5 87.4
Batted Ball Results
Barrels 2 -10 12
Popup % 7.1 -0.4 7.5
Flyball % 42.9 +7.1 35.8
Line Drive % 14.3 -9.9 24.2
Groundball % 35.7 +3.2 32.5
Pull % 50.0 +10.8 39.2
Straight Away % 35.7 -0.1 35.8
Opposite Field % 14.3 -10.7 25.0
Weak Contact % 7.1 +2.9 4.2
Pull Airball % 28.6 +6.1 22.5
Topped Contact % 28.6 +6.9 21.7
Under Contact % 28.6 -3.1 31.7
Flare/Burner Contact % 7.1 -19.6 26.7
Solid Contact % 14.3 +8.5 5.8
HR/FB % 33.3 +17.0 16.3
Popups 1 -8 9
Flyballs 6 -37 43
Line Drives 2 -27 29
Groundballs 5 -34 39
Plate Discipline
In Zone % 55.4 +4.9 50.5
Out of Zone % 44.6 -4.9 49.5
Edge % 45.9 -1.0 46.9
Zone Swing % 78.0 +9.9 68.1
Out of Zone Swing % 33.3 +5.9 27.4
In Zone Contact % 84.4 -4.2 88.6
Out of Zone Contact % 72.7 +1.6 71.1
Whiff % 18.6 +2.2 16.4
First Strike % 68.4 +12.2 56.2
First Pitch Swing % 52.6 +27.7 24.9
Swing % 58.1 +10.1 48.0
Meatball Swing % 90.0 +14.4 75.6
Meatball % 13.5 +7.3 6.2
Zone Swing & Miss % 15.6 +4.2 11.4
Out of Zone Swing & Miss % 27.3 -1.6 28.9
In Zone 41 -294 335
Out of Zone 33 -295 328
Edge 34 -277 311
In Zone Swings 32 -196 228
Out of Zone Swings 11 -79 90
In Zone Swing & Misses 5 -21 26
Out of Zone Swing & Misses 3 -23 26
Basic
Pitches 74 -589 663
PA 19 -150 169
AB 19 -130 149
Hits 5 -41 46
Singles 1 -28 29
Doubles 1 -9 10
Triples 1 +1 0
Home Runs 2 -5 7
Walks 0 -15 15
Strikeouts 5 -26 31
K% 26.3 +8.0 18.3
BB% 0.0 -8.9 8.9
HBP 0 -3 3
Batted Balls 14 -106 120
Number of Fastballs 49 -368 417
Number of Offspeed 2 -15 17
Number of Breaking 0 -61 61
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2024 Shades 169 .387 91 1 1.1 78 19 24.4
2025 Shades 19 .410 12 0 0.0 7 0 0.0
! 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 %
2024 171 13.2 86.0% 0.0% 120 17.1 12.5% 0.8%
2025 12 14.0 66.7% 0.0% 14 17.9 0.0% 0.0%

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Pitch Distribution