Daulton Jefferies
P | Bats/Throws: L/R | 6' 0" 182LBS | Age: 29
Draft: 2016 | Rd: CB-A, #37, Oakland Athletics | California
W L ERA G GS SV IP SO WHIP
2021 1 0 3.60 5 1 0 15 8 1.00
2022 1 7 5.72 8 8 0 39.1 28 1.37
2024 0 2 9.82 6 1 0 14.2 12 1.91
4 Seasons 2 10 6.59 20 11 0 71 49 1.46
G W-L ERA IP SO WHIP
2021 5 1-0 3.60 15 8 1.00
2022 8 1-7 5.72 39.1 28 1.37
2024 6 0-2 9.82 14.2 12 1.91
4 Seasons 20 2-10 6.59 71 49 1.46
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
2020 24 53 10 1 10.0 7.7 91.7 110.8 23.1 30.0 .279 .642 .616 .430 .419 40.0 7.7 15.4 22.50 8.85
2021 25 220 45 3 6.7 5.2 88.8 108.4 6.2 37.8 .251 .371 .278 .305 .315 35.6 13.8 6.9 3.60 3.92
2022 26 611 134 11 8.2 6.4 89.2 112.7 11.0 34.3 .250 .397 .333 .301 .334 38.8 16.3 4.7 5.72 3.75
2024 28 281 56 5 8.9 6.8 87.7 112.2 12.0 39.3 .248 .444 .457 .321 .356 35.7 16.4 5.5 9.82 4.34
Player 1165 245 20 8.2 6.3 88.8 112.7 10.8 35.9 .251 .412 .363 .312 .339 37.6 15.5 5.7
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .405 .316 .315 .368 36.5 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Jefferies relies on 5 pitches.
Sinker
(37.4%) ,
Slider
(24.6%) ,
Changeup
(14.9%) ,
Cutter
(14.6%) ,
Four Seamer
(8.5%) ,


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Pitch Tracking



Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2020 40.0 20.0 20.0 20.0 50.0 20.0 30.0 10.0 30.0 30.0 10.0 10.0 10.0 7.7
2021 44.4 26.7 28.9 0.0 31.1 28.9 40.0 2.2 40.0 22.2 22.2 6.7 6.7 5.2
2022 47.0 26.9 22.4 3.7 39.6 32.1 28.4 3.0 35.8 26.9 19.4 6.7 8.2 6.4
2024 37.5 28.6 26.8 7.1 44.6 33.9 21.4 5.4 28.6 26.8 19.6 10.7 8.9 6.8
Player 44.1 26.9 24.5 4.5 39.6 31.4 29.0 3.7 34.7 26.1 19.6 7.8 8.2 6.3
MLB 44.4 23.8 24.7 7.1 37.2 37.5 25.2 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
2024 Sinker PIT R 105 93.0 21.8 -1.8 16.1ARM 1.1 9.9 -2.6 16.1ARM 1.3
2024 Cutter PIT R 41 90.5 22.8 2.3 2.9ARM -4.8 10.5 2.2 2.9ARM -5.6
2024 Slider PIT R 69 82.2 34.9 -4.8 6.4GLV -1.1 5.7 -4.1 6.4GLV 1.3
2024 Changeup PIT R 42 87.5 30.0 -1.2 14.5ARM -0.2 6.0 -1.1 14.5ARM 0.3
2024 4-Seam Fastball PIT R 24 93.4 15.8 -0.3 10.4ARM 2.8 15.6 -0.2 10.4ARM 2.9
2022 Changeup OAK R 120 86.1 33.2 2.9 15.0ARM 1.1 4.0 1.7 15.0ARM 0.9
2022 Cutter OAK R 125 89.6 23.4 2.2 2.9ARM -4.8 10.7 2.4 2.9ARM -5.6
2022 4-Seam Fastball OAK R 74 92.4 17.2 -1.8 10.9ARM 4.1 15.0 -1.2 10.9ARM 3.6
2022 Sinker OAK R 208 92.5 19.6 -2.3 16.6ARM 2.1 12.5 -4.2 16.6ARM 1.8
2022 Slider OAK R 83 80.2 44.7 2.3 5.1GLV -3.4 -2.0 3.8 5.1GLV -0.6
! 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 -3.2 -3 105 37.4 27 .333 .583 .457 12.5 18.5 20.0 .292 .469 .367 42.1
2024 Slider -3.1 -2 69 24.6 21 .316 .526 .390 41.7 28.6 18.2 .183 .281 .247 30.8
2024 Changeup -8.7 -4 42 14.9 12 .333 .750 .450 5.6 0.0 0.0 .207 .383 .250 16.7
2024 Cutter -13.4 -6 41 14.6 8 .750 1.750 1.038 24.0 12.5 14.3 .407 .959 .568 57.1
2024 4-Seam Fastball 4.4 1 24 8.5 5 .000 .000 .000 0.0 0.0 0.0 .131 .265 .163 40.0
2022 Sinker -0.3 -1 208 34.0 60 .264 .358 .325 12.0 11.7 14.6 .265 .414 .329 44.7
2022 Cutter -1.1 -1 125 20.5 39 .342 .632 .442 25.4 12.8 27.8 .248 .472 .316 39.4
2022 Changeup 1.2 1 121 19.8 41 .256 .308 .271 26.4 17.1 19.4 .255 .304 .268 25.0
2022 Slider -4.1 -3 83 13.6 18 .294 .647 .408 39.4 27.8 16.1 .227 .403 .291 33.3
2022 4-Seam Fastball 0.1 0 74 12.1 14 .286 .357 .282 22.2 28.6 16.7 .210 .382 .253 60.0
! 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 Changeup 41 87.5 97 16.3 2:00 2:30 -30
2024 Cutter 41 90.5 70 10.3 1:00 12:30 30
2024 4-Seam Fastball 24 93.4 94 18.4 1:30 1:15 15
2024 Sinker 105 93.0 96 19.1 1:30 2:00 -30
2024 Slider 69 82.2 23 8.5 9:30 10:00 -30
2022 Changeup 117 86.1 94 16.1 2:15 2:45 -30
2022 Cutter 125 89.6 74 10.6 12:45 12:30 15
2022 4-Seam Fastball 74 92.4 96 18.2 1:15 1:15 0
2022 Sinker 206 92.5 98 20.9 1:30 2:00 -30
2022 Slider 82 80.2 38 7.6 8:45 7:45 60
! 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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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2021 58 220 3 4 -1 -1 4
2022 172 611 -3 5 -4 -3 -4
2024 73 281 -12 1 -1 -1 -14
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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 %
2020 53 54.7 79.3 78.3 12.5 66.7 41.5 69.2 49.1 23.1 7.5 75.0
2021 220 47.3 70.2 89.0 33.6 71.8 43.2 72.4 50.9 17.0 10.9 83.3
2022 611 48.6 68.7 83.8 27.7 62.1 46.8 58.1 47.6 22.7 6.7 95.1
2024 281 50.5 70.4 86.0 28.1 64.1 44.8 63.0 49.5 20.1 8.5 91.7
Player 1,165 49.1 69.9 85.0 28.3 64.9 45.4 62.3 48.8 21.0 8.0 90.3
MLB 48.7 67.0 82.0 28.5 57.8 42.6 61.0 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
2021 47 18 19
2022 27 15 18
2024 34 40 16
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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 %
2020 23.1 2 1.3 1 0 1 1 50.0
2021 -- 1 0.2 1 2 0 0 0.0
2022 24.6 4 4.5 -1 5 2 2 50.0
2024 25.2 4 3.0 1 4 2 1 25.0
Player 24.6 11 9.0 2 11 5 4 36.4
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
2020 2 1 2 2 2 1 1 1 1 2 1 2 2 1 1 2 1 1 1 1 1 1 2 1 1 1 2 1 2 1 1
2021 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0
2022 4 3 3 5 4 4 4 4 4 4 4 5 6 4 4 7 4 4 5 4 4 4 6 6 4 4 5 5 6 4 4
2024 4 3 2 4 3 3 3 3 3 2 3 4 2 2 3 3 3 3 3 3 3 3 4 4 3 3 3 3 2 4 3
Player 11 7 7 11 9 8 8 9 8 8 8 11 11 7 8 13 8 8 10 8 8 9 13 12 8 8 10 9 10 9 8
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 2020 2021 +/-   2022 +/-  
Fastball Velocity 93.3 93.0 -0.3 91.6 -1.4
Offspeed Velocity 89.0 87.0 -2.0 86.0 -1.0
Breaking Velocity 79.8 80.0 0.2 80.2 0.2
Exit Velocity 91.7 88.8 -2.9 89.2 0.4
Launch Angle 23.1 6.2 -16.9 11.0 4.8
Barrel % 10.0 6.7 -3.3 8.2 1.5
Hard Hit % 40.0 35.6 -4.4 38.8 3.2
LA Sweet-Spot % 30.0 37.8 7.8 34.3 -3.5
xBA .279 .251 -0.028 .250 -0.001
BA .455 .208 -0.247 .286 0.078
xwOBA .430 .305 -0.125 .301 -0.004
wOBA .616 .278 -0.338 .333 0.055
xSLG .642 .371 -0.271 .397 0.026
SLG 1.000 .358 -0.642 .441 0.083
K% 7.7 13.8 6.1 16.3 2.5
BB% 15.4 6.9 -8.5 4.7 -2.2
Swing % 49.1 50.9 1.8 47.6 -3.3
Whiff% 23.1 17.0 -6.1 22.7 5.7
In Zone % 54.7 47.3 -7.4 48.6 1.3
Out of Zone % 45.3 52.7 7.4 51.4 -1.3
Out of Zone Swing % 12.5 33.6 21.1 27.7 -5.9
First Pitch Swing % 38.5 36.2 -2.3 29.1 -7.1
First Pitch Strike % 69.2 72.4 3.2 58.1 -14.3
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2020 Shifts 13 .616 7 0 0.0 6 6 100.0
2021 Shifts 58 .278 31 7 22.6 27 15 55.6
2022 Shifts 172 .333 92 20 21.7 80 47 58.8
2024 Shades 73 .457 42 0 0.0 31 1 3.2
! 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 %
2020 13 16.7 46.2% 0.0% 12 20.9 0.0% 0.0%
2021 57 17.5 14.0% 0.0% 32 21.8 0.0% 12.5%
2022 162 18.0 19.8% 1.2% 108 22.1 0.0% 9.3%
2024 65 15.1 47.7% 0.0% 55 18.7 1.8% 0.0%

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Pitch Distribution