P | Kansas City Royals
Bats/Throws: R/R | 6' 7" 230 lbs | Age: 28
Draft: 2018 | Rd. 12, No. 347, Philadelphia Phillies | Ole Miss
W L ERA G GS SV IP SO WHIP
2023 1 0 4.63 18 2 4 23.1 23 0.94
2024 5 7 4.92 57 0 18 56.2 49 1.45
2 Seasons 6 7 4.84 75 2 22 80 72 1.30
G W-L ERA IP SO WHIP
2023 18 1-0 4.63 23.1 23 0.94
2024 57 5-7 4.92 56.2 49 1.45
2 Seasons 75 6-7 4.84 80 72 1.30
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 26 341 64 3 4.7 3.3 89.1 112.2 3.4 28.1 .228 .328 .280 .267 .343 43.8 25.6 2.2 4.63 2.95
2024 27 904 181 15 8.3 6.1 90.2 111.1 7.1 34.3 .271 .427 .344 .324 .384 40.3 19.9 5.3 4.92 4.43
Player 1245 245 18 7.3 5.4 89.9 112.2 6.2 32.7 .259 .400 .326 .309 .373 41.2 21.4 4.5
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

McArthur relies on 4 pitches.
Sinker
(35.7%) ,
Curveball
(33.7%) ,
Slider
(21.6%) ,
Four Seamer
(9.1%) ,


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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 59.4 40.6 18.8 17.2 4.7 40.6 29.7 29.7 28.1 20.3 10.9 12.5 9.4 18.8
2024 53.6 46.4 18.8 23.2 4.4 42.0 39.2 18.8 25.4 21.5 6.6 16.6 17.7 12.2
Player 55.1 44.9 18.8 21.6 4.5 41.6 36.7 21.6 26.1 21.2 7.8 15.5 15.5 13.9
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
2023 4.7 45.3 17.2 23.4 4.7 4.7 3.3
2024 3.3 38.1 16.6 27.1 5.5 8.3 6.1
Player 3.7 40.0 16.7 26.1 5.3 7.3 5.4
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
2024 Slider KC R 195 87.7 32.9 -0.5 1.2GLV -2.8 2.4 -0.7 1.2GLV -3.6
2024 Sinker KC R 322 95.1 22.9 1.6 17.0ARM 2.2 7.4 -0.2 17.0ARM 2.1
2024 4-Seam Fastball KC R 82 94.7 17.0 -2.4 10.0ARM 2.7 13.4 -2.3 10.0ARM 2.4
2024 Curveball KC R 304 83.7 50.2 2.2 13.9GLV 6.8 -11.0 1.0 13.9GLV 4.5
2023 Curveball KC R 132 82.2 51.9 2.5 15.1GLV 7.3 -11.1 1.2 15.1GLV 6.2
2023 Cutter KC R 2 91.7 22.6 1.0 1.3ARM -3.7 9.7 1.8 1.3ARM -3.9
2023 4-Seam Fastball KC R 6 92.8 22.3 -6.4 10.3ARM 3.4 9.3 -6.5 10.3ARM 2.9
2023 Sinker KC R 118 94.1 24.8 2.6 16.3ARM 1.2 6.1 1.6 16.3ARM 1.4
2023 Slider KC R 83 86.4 37.7 2.9 1.7GLV -2.7 -1.2 2.8 1.7GLV -3.3
! 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 %
2024 Sinker -0.6 -2 322 35.7 106 .327 .459 .372 13.7 13.2 22.2 .282 .440 .340 44.0
2024 Curveball -0.8 -2 304 33.7 74 .268 .423 .326 36.7 35.1 19.0 .262 .414 .308 44.4
2024 Slider -0.7 -1 195 21.6 44 .350 .575 .400 42.6 13.6 16.7 .289 .427 .330 30.6
2024 4-Seam Fastball 1.9 2 82 9.1 20 .158 .316 .225 16.7 15.0 15.0 .213 .413 .289 31.3
2023 Curveball 1.9 3 132 38.7 39 .194 .250 .197 35.3 43.6 30.4 .115 .143 .164 19.0
2023 Sinker -1.4 -2 118 34.6 30 .286 .679 .418 6.4 13.3 15.4 .357 .565 .414 54.2
2023 Slider 3.0 2 83 24.3 19 .263 .368 .274 30.2 10.5 18.2 .230 .315 .235 58.8
2023 4-Seam Fastball 1.2 0 6 1.8 2 .000 .000 .000 0.0 0.0 0.0 .424 .465 .391 50.0
2023 Cutter -4.1 0 2 0.6 -- -- -- -- -- 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
2024 Curveball 293 83.7 80 19.8 7:30 7:30 0
2024 4-Seam Fastball 80 94.7 88 16.5 1:30 1:15 15
2024 Sinker 314 95.1 89 19.0 1:30 2:15 -45
2024 Slider 190 87.7 14 3.2 11:30 10:30 60
2023 Curveball 127 82.2 85 20.9 7:45 7:45 0
2023 Sinker 107 94.1 86 17.9 1:30 2:30 -60
2023 Slider 77 86.4 17 3.8 9:00 7:15 105
! 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
2023 90 341 0 6 -1 -1 3
2024 244 904 -6 10 -4 -4 -4
Player 334 1,245 -7 16 -5 -7 -1
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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 341 54.3 62.2 87.0 29.5 45.7 44.0 65.6 47.2 24.8 8.2 89.3
2024 904 50.0 64.8 83.6 29.9 45.9 40.2 66.5 47.3 28.3 7.4 82.1
Player 1,245 51.2 64.1 84.6 29.8 45.9 41.2 66.3 47.3 27.3 7.6 84.2
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
2023 49 49 92 86
2024 27 10 22 40 37 54 37 16 36 25 90 72 64 65 66 83 82
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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 21.30 2 2.2 0 0 3 0 0.0
2024 22.78 8 7.5 1 4 7 2 25.0
Player 22.48 10 9.6 0 4 10 2 20.0
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
2023 2 2 2 1 2 2 3 1 2 2 2 1 3 2 2 2 3 2 2 2 2 2 3 3 2 2 2 2 3 3 3
2024 8 6 7 8 7 7 7 9 5 7 7 7 9 6 7 8 7 7 7 9 10 5 10 9 8 7 6 7 10 7 8
Player 10 8 9 9 9 9 10 10 7 9 9 8 12 8 9 10 10 9 9 11 12 7 13 12 10 9 8 9 13 10 11
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

2024 +/-   2023
Results
BA .298 +.063 .235
xBA .271 +.043 .228
OBP .343 +.087 .256
xOBP .319 +.061 .258
SLG .456 +.044 .412
xSLG .427 +.099 .328
ISO .158 -.018 .176
xISO .156 +.056 .100
BABIP .349 +.059 .290
wOBA .344 +.064 .280
xwOBA .324 +.057 .267
wOBACON .410 +.049 .361
xwOBACON .384 +.041 .343
BACON .378 +.065 .313
xBACON .346 +.030 .316
Statcast Hit Metrics
Hard Hit % 40.3 -3.5 43.8
Avg Exit Velocity 90.2 +1.1 89.1
Launch Angle Sweet-Spot % 34.3 +6.2 28.1
Barrel % 8.3 +3.6 4.7
Avg Launch Angle 7.1 +3.7 3.4
Statcast Bat Tracking
Bat Speed 70.9 -1.6 72.5
Attack Angle 11° -3° 14°
Ideal Attack Angle % 56.4 -0.1 56.5
Attack Direction -3° +5° -7°
Swing Path - Tilt 33° -1° 34°
Swing Length 7.3 -0.4 7.7
Statcast Pitch Metrics
Fastball Velocity 95.0 +1.0 94.0
Breaking Velocity 85.3 +1.5 83.8
Offspeed Velocity 0.0 -- --
Batted Ball Results
Barrels 15 +12 3
Popup % 4.4 -0.3 4.7
Flyball % 18.8 0.0 18.8
Line Drive % 23.2 +6.0 17.2
Groundball % 53.6 -5.8 59.4
Pull % 42.0 +1.4 40.6
Straight Away % 39.2 +9.5 29.7
Opposite Field % 18.8 -10.9 29.7
Weak Contact % 3.3 -1.4 4.7
Pull Airball % 16.6 +4.1 12.5
Topped Contact % 38.1 -7.2 45.3
Under Contact % 16.6 -0.6 17.2
Flare/Burner Contact % 27.1 +3.7 23.4
Solid Contact % 5.5 +0.8 4.7
HR/FB % 23.5 +6.8 16.7
Popups 8 +5 3
Flyballs 34 +22 12
Line Drives 42 +31 11
Groundballs 97 +59 38
Plate Discipline
In Zone % 50.0 -4.3 54.3
Out of Zone % 50.0 +4.3 45.7
Edge % 40.2 -3.8 44.0
Zone Swing % 64.8 +2.6 62.2
Out of Zone Swing % 29.9 +0.4 29.5
In Zone Contact % 83.6 -3.4 87.0
Out of Zone Contact % 45.9 +0.2 45.7
Whiff % 28.3 +3.5 24.8
First Strike % 66.5 +0.9 65.6
First Pitch Swing % 33.9 +6.1 27.8
Swing % 47.3 +0.1 47.2
Meatball Swing % 82.1 -7.2 89.3
Meatball % 7.4 -0.8 8.2
Zone Swing & Miss % 16.4 +3.4 13.0
Out of Zone Swing & Miss % 54.1 -0.2 54.3
In Zone 452 +267 185
Out of Zone 452 +296 156
Edge 363 +213 150
In Zone Swings 293 +178 115
Out of Zone Swings 135 +89 46
In Zone Swing & Misses 48 +33 15
Out of Zone Swing & Misses 73 +48 25
Basic
Pitches 904 +563 341
PA 246 +156 90
AB 228 +143 85
Hits 68 +48 20
Singles 49 +39 10
Doubles 10 +3 7
Triples 1 0 1
Home Runs 8 +6 2
Walks 13 +11 2
Strikeouts 49 +26 23
K% 19.9 -5.7 25.6
BB% 5.3 +3.1 2.2
HBP 3 +2 1
Batted Balls 181 +117 64
Number of Fastballs 404 +278 126
Number of Offspeed 0 0 0
Number of Breaking 499 +284 215
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2023 Shades 90 .280 52 1 1.9 38 20 52.6
2024 Shades 244 .344 132 2 1.5 112 33 29.5
! 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 96 15.5 38.5% 0.0% 66 18.7 3.0% 0.0%
2024 203 15.8 34.5% 2.0% 184 18.3 2.7% 0.0%

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Pitch Distribution