Daulton Jefferies
P | Bats/Throws: L/R | 6' 0" 182LBS | Age: 28
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 1 22.50 1 1 0 2 1 4.50
4 Seasons 2 9 6.33 15 11 0 58.1 38 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 1 0-1 22.50 2 1 4.50
4 Seasons 15 2-9 6.33 58.1 38 1.46
MLB Percentile Rankings
Pitch Distribution

Statcast Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
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 55 15 2 13.3 12.5 88.4 109.2 -1.9 40.0 .269 .472 .726 .313 .333 40.0 6.3 0.0 22.50 3.89
Player 939 204 17 8.3 6.6 89.1 112.7 9.5 35.3 .253 .407 .359 .309 .334 38.2 14.7 5.4
MLB 6.9 4.7 88.4 122.4 12.2 33.1 .245 .406 .316 .315 .369 36.3 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Jefferies relies on 4 pitches.
Sinker
(41.8%) ,
Changeup
(29.1%) ,
Cutter
(20.0%) ,
Curveball
(9.1%) ,


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+ Similar Pitchers to Daulton Jefferies Based on Velocity and Movement:


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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 46.7 20.0 33.3 0.0 46.7 40.0 13.3 0.0 46.7 13.3 13.3 13.3 13.3 12.5
Player 46.1 26.0 24.5 3.4 38.7 31.4 29.9 2.9 37.3 25.0 19.1 7.4 8.3 6.6
MLB 44.6 23.5 24.8 7.0 37.0 37.5 25.3 3.9 32.8 24.7 24.4 5.8 6.9 4.7
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: Every pitch is affected by the forces of gravity, which means that every pitch drops on its way from the mound to the plate. These numbers are reported with gravity, which makes them larger and different than other pitch movement numbers you may have seen. Since gravity requires time, and slower pitches aren’t ‘better’ just because they have more time to move, the movement of a pitch is compared to ‘average’ movement by comparing it to other MLB pitch types within +/- 2 MPH and from within +/- 0.5 feet of extension and release.
Vertical Movement (inches) Horizontal Movement (inches)
Year Pitch Team Hand # MPH Inches of Drop vs Avg % vs Avg Inches of Break vs Avg % Break vs Avg
2024 Sinker SF R 23 92.7 23.0 -0.2 -1 17.3 1.9 12
2024 Changeup SF R 16 87.4 30.6 -0.4 -1 15.1 0.2 1
2024 Cutter SF R 11 90.8 22.7 1.9 8 4.9 -6.9 -344
2024 Curveball SF R 5 81.3 39.5 -11.7 -23 6.5 -3.5 -35
2022 Sinker OAK R 209 92.5 19.6 -2.4 -11 16.6 2.1 14
2022 Changeup OAK R 119 86.1 33.1 2.9 10 15.1 1.1 8
2022 4-Seam Fastball OAK R 73 92.4 17.3 -1.8 -12 10.8 4.1 61
2022 Curveball OAK R 83 80.2 44.7 -8.3 -16 5.1 -2.5 -33
2022 Cutter OAK R 126 89.6 23.5 2.0 8 2.9 -4.9 -248
2021 Cutter OAK R 31 91.3 22.8 1.5 6 3.6 -5.6 -286
2021 Sinker OAK R 101 93.5 18.8 -2.9 -13 16.3 1.4 9
2021 4-Seam Fastball OAK R 27 93.2 16.2 -1.0 -7 10.0 2.9 40
2021 Curveball OAK R 22 80.0 45.3 -7.4 -14 5.1 -3.0 -37
2021 Changeup OAK R 39 87.0 31.6 2.0 7 14.4 0.3 2
2020 Changeup OAK R 6 89.0 24.7 -4.6 -16 14.2 -0.5 -3
2020 Curveball OAK R 4 79.8 44.4 -7.7 -15 8.4 0.4 6
2020 Cutter OAK R 11 90.6 23.0 1.2 5 0.9 -2.8 -148
2020 4-Seam Fastball OAK R 24 94.5 14.7 0.1 1 10.7 3.4 46
2020 Sinker OAK R 8 93.5 19.2 -2.7 -12 16.3 1.4 10
! Note: Years are in reverse order.
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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 1.5 0 23 41.8 4 .250 .250 .450 0.0 0.0 0.0 .209 .282 .216 25.0
2024 Changeup -21.8 -3 16 29.1 6 .500 1.167 .692 11.1 0.0 0.0 .255 .542 .334 33.3
2024 Cutter -30.5 -3 11 20.0 4 .750 1.750 1.038 14.3 25.0 50.0 .312 .516 .344 66.7
2024 Curveball -36.6 -2 5 9.1 2 1.000 1.500 1.075 0.0 0.0 0.0 .348 .556 .378 50.0
2022 Sinker -0.4 -1 209 34.2 60 .264 .358 .325 12.0 11.7 14.0 .265 .414 .329 44.7
2022 Cutter -0.9 -1 126 20.6 40 .333 .615 .431 25.0 12.5 27.8 .243 .461 .309 38.2
2022 Changeup 0.9 1 120 19.6 40 .263 .316 .278 26.8 17.5 19.4 .261 .311 .273 25.8
2022 Curveball -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 0.3 0 73 11.9 14 .286 .357 .282 22.2 28.6 18.2 .210 .382 .253 60.0
2021 Sinker 1.8 2 101 45.9 32 .241 .345 .295 7.8 18.8 22.2 .261 .374 .313 39.1
2021 Changeup 3.2 1 39 17.7 7 .143 .143 .129 38.5 14.3 7.7 .262 .290 .243 16.7
2021 Cutter 12.4 4 31 14.1 11 .000 .000 .064 6.3 0.0 0.0 .188 .273 .247 20.0
2021 4-Seam Fastball -2.5 -1 27 12.3 5 .500 1.000 .640 0.0 0.0 0.0 .381 .524 .450 75.0
2021 Curveball -8.8 -2 22 10.0 3 .333 1.333 .667 44.4 33.3 11.1 .179 .654 .336 50.0
2020 4-Seam Fastball -1.6 0 24 45.3 6 .500 .500 .533 30.0 0.0 0.0 .320 .410 .448 50.0
2020 Cutter 4.8 1 11 20.8 3 .333 .333 .300 28.6 0.0 0.0 .089 .095 .086 0.0
2020 Sinker 1.7 0 8 15.1 -- -- -- 0.0 -- 0.0 -- -- -- --
2020 Changeup -82.0 -5 6 11.3 2 1.000 4.000 2.000 0.0 0.0 0.0 .756 2.561 1.317 100.0
2020 Curveball 7.8 0 4 7.5 2 .000 .000 .000 50.0 50.0 50.0 .004 .004 .004 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.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2024 Changeup 15 87.4 98 16.8 2:00 2:30 -30
2024 Cutter 11 90.8 74 11.2 1:00 1:00 0
2024 Sinker 23 92.7 96 19.8 1:30 2:15 -45
2022 Changeup 116 86.1 94 16.2 2:15 2:45 -30
2022 Curveball 82 80.2 38 7.6 8:45 7:45 60
2022 Cutter 126 89.6 74 10.5 12:45 12:30 15
2022 4-Seam Fastball 73 92.4 96 18.2 1:15 1:15 0
2022 Sinker 207 92.5 99 21.0 1:30 1:45 -15
2021 Changeup 36 86.9 98 15.5 2:15 2:30 -15
2021 Curveball 21 80.0 45 7.4 8:15 7:45 30
2021 Cutter 31 91.3 73 10.3 12:45 12:45 0
2021 4-Seam Fastball 26 93.2 97 17.9 1:15 1:15 0
2021 Sinker 96 93.5 98 20.7 1:30 1:45 -15
2020 Cutter 11 90.6 62 9.8 12:45 12:15 30
2020 4-Seam Fastball 24 94.5 94 19.0 1:15 1:15 0
! Note: This table is showing data from the PITCHER perspective.
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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
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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 55 52.7 72.4 90.5 34.6 100.0 41.8 56.3 54.5 6.7 10.9 83.3
Player 939 48.9 69.9 85.0 28.7 67.4 45.4 61.8 48.9 20.3 8.0 89.3
MLB 48.6 66.9 82.0 28.4 58.0 42.6 60.9 47.1 24.8 7.3 76.1
! 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 31 18
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Expected Home Runs

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 22.4 2 1.0 1 1 1 0 0.0
Player 23.7 9 7.1 2 8 4 3 33.3

Expected Home Runs by Park

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 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 2 1
Player 9 5 6 8 7 6 6 7 6 7 6 9 10 6 6 11 6 6 8 6 6 6 10 9 6 6 8 7 9 7 6
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights, distances and environmental effects. For these purposes, the 2020 Blue Jays home field was still Rogers Centre, not Sahlen Field.
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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
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 22 23.9 80 52 65.0
2024 Shades 16 .726 10 0 0.0 6 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 %
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 7 13.1 100.0% 0.0% 13 18.4 0.0% 0.0%
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Pitch Distribution


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