Trevor Kelley
P | B/T: R/R | 6' 2" 210LBS | Age: 30
Draft: 2015 | Rd: 36, #1071, Boston Red Sox | North Carolina

Stats

W L ERA G GS SV IP SO WHIP
2022 1 0 6.08 18 0 0 23.2 23 1.44
3 Seasons 1 3 7.13 32 0 0 35.1 34 1.61
G W-L ERA IP SO WHIP
2022 18 1-0 6.08 23.2 23 1.44
3 Seasons 32 1-3 7.13 35.1 34 1.61

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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
2019 26 163 29 4 13.8 10.0 91.0 109.4 26.3 44.8 .272 .615 .370 .430 .474 44.8 15.0 12.5 8.64 9.21
2020 27 77 13 1 7.7 5.3 87.8 106.6 12.4 38.5 .330 .618 .543 .414 .551 38.5 26.3 5.3 10.80 8.02
2022 29 460 73 9 12.3 8.4 85.0 111.8 19.6 39.7 .217 .429 .373 .317 .360 23.3 21.5 8.4 6.08 4.20
Player 700 115 14 12.2 8.4 86.8 111.8 20.5 40.9 .243 .492 .392 .356 .411 30.4 20.5 9.0
MLB 6.7 4.6 88.4 122.4 12.1 33.0 .245 .405 .316 .315 .368 35.8 22.1 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Kelley relies on 4 pitches.
Sinker
(64.1%) ,
Curveball
(25.2%) ,
Changeup
(6.3%) ,
Slider
(4.3%) ,


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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
2019 17.2 51.7 24.1 6.9 34.5 41.4 24.1 3.4 13.8 34.5 17.2 17.2 13.8 10.0
2020 30.8 30.8 30.8 7.7 53.8 23.1 23.1 0.0 30.8 15.4 30.8 15.4 7.7 5.3
2022 35.6 30.1 23.3 11.0 42.5 28.8 28.8 8.2 26.0 35.6 13.7 4.1 12.3 8.4
Player 30.4 35.7 24.3 9.6 41.7 31.3 27.0 6.1 23.5 33.0 16.5 8.7 12.2 8.4
MLB 44.9 23.1 25.0 7.1 36.8 37.7 25.4 3.8 33.0 24.6 24.4 5.7 6.7 4.6
! Note: All figures in this table cover the period 2015-present.

Pitch Movement

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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
2022 Slider MIL R 20 83.6 34.1 -1.8 -5 0.1 -6.2 -98
2022 Changeup MIL R 29 80.7 44.5 -1.5 -3 17.7 1.0 6
2022 Sinker MIL R 295 89.9 28.9 -6.7 -19 17.5 1.3 8
2022 Curveball MIL R 116 78.6 45.9 0.0 0 8.9 -0.1 -1
2020 Slider PHI R 22 85.1 33.2 -1.0 -3 1.0 -2.0 -195
2020 Changeup PHI R 1 81.4 41.9 -1.5 -4 18.1 1.8 11
2020 Curveball PHI R 12 78.3 49.5 3.4 7 11.7 -2.9 -20
2020 Sinker PHI R 42 90.2 26.0 -7.4 -22 18.6 1.2 7
2019 Curveball BOS R 34 78.8 49.5 -0.2 0 8.9 -3.1 -26
2019 Slider BOS R 29 83.1 35.1 -1.1 -3 0.3 -3.3 -112
2019 Sinker BOS R 100 88.5 27.0 -7.8 -22 17.7 -0.1 0
! 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 %
2022 Sinker -1.0 -3 295 64.1 76 .231 .415 .336 16.2 18.4 15.1 .220 .405 .329 19.6
2022 Curveball 2.9 3 116 25.2 21 .238 .619 .352 43.5 33.3 17.1 .153 .346 .210 21.4
2022 Changeup 5.1 1 29 6.3 7 .429 .857 .543 33.3 28.6 12.5 .281 .651 .397 20.0
2022 Slider 4.5 1 20 4.3 3 .667 1.667 .967 8.3 0.0 0.0 .451 .990 .607 100.0
2020 Sinker 3.0 1 42 54.5 9 .500 .875 .600 17.6 33.3 25.0 .309 .485 .376 40.0
2020 Slider -4.2 -1 22 28.6 7 .286 .286 .257 16.7 14.3 11.1 .293 .354 .286 16.7
2020 Curveball 19.7 2 12 15.6 3 .667 2.000 1.083 25.0 33.3 33.3 .471 1.589 .826 100.0
2020 Changeup 5.1 0 1 1.3 -- -- -- -- -- -- -- -- -- --
2019 Sinker 1.2 1 100 61.3 29 .318 .636 .400 17.0 13.8 11.4 .247 .578 .413 38.1
2019 Curveball 0.2 0 34 20.9 6 .200 .200 .417 12.5 16.7 11.1 .277 .312 .332 25.0
2019 Slider -0.4 0 29 17.8 5 .250 1.000 .400 13.3 20.0 12.5 .402 1.198 .658 100.0
! Note: Years are in reverse order.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2020 Curveball 12 78.3 59 14.0 8:45 8:00 45
2020 Sinker 40 90.2 99 20.6 2:30 2:15 15
2020 Slider 21 84.9 28 3.6 12:45 12:15 30
2022 Changeup 28 80.7 98 19.0 3:30 3:30 0
2022 Curveball 113 78.6 48 10.2 9:15 8:15 60
2022 Sinker 286 89.9 94 18.8 2:45 2:30 15
2022 Slider 20 83.6 20 4.8 12:30 11:45 45
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! 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
2019 40 163 0 -1 1 1 1
2022 107 460 -4 3 2 2 3
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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 %
2019 163 52.1 64.7 89.1 19.2 60.0 41.1 70.0 42.9 15.7 8.6 64.3
2020 77 57.1 59.1 88.5 21.2 57.1 44.2 63.2 42.9 18.2 13.0 70.0
2022 460 46.7 63.3 87.5 26.1 54.7 41.5 55.1 43.5 23.0 5.7 80.8
Player 700 49.1 63.1 88.0 24.2 55.8 41.7 59.6 43.3 20.8 7.1 74.0
MLB 48.5 66.9 82.0 28.4 58.3 42.6 60.8 47.1 24.7 7.2 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
2019 5 49 84
2022 10 44 59 83
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2019 24.0 2 2.0 0 1 1 1 50.0
2020 25.3 2 1.8 0 1 1 1 50.0
2022 23.3 7 7.6 -1 3 5 3 42.9
Player 23.8 11 11.4 0 5 7 5 45.5

Expected Home Runs by Park

Year HR
2019 2 2 2 2 2 2 2 3 2 2 2 2 1 1 2 2 2 3 1 1 2 2 2 3 2 2 3 2 3 2 2
2020 2 1 3 1 2 2 0 2 2 1 2 2 1 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 1 2 2
2022 7 8 9 8 7 9 8 6 9 5 9 7 7 7 7 8 9 8 8 8 8 8 7 7 7 7 8 6 7 8 8
Player 11 11 14 11 11 13 10 11 13 8 13 11 9 10 11 12 13 12 10 11 12 12 11 12 11 11 13 10 11 12 12
! 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 2015 2016 +/-   2017 +/-   2018 +/-   2019 +/-   2020 +/-   2021 +/-   2022 +/-  
Fastball Velocity 88.5 90.2 1.7 ↑
Offspeed Velocity 0 81.4 0
Breaking Velocity 80.8 82.7 1.9 ↑
Exit Velocity 91 87.8 -3.2 ↓
Launch Angle 26.3 12.4 -13.9 ↓
Barrel % 13.8 7.7 -6.1 ↓
Hard Hit % 44.8 38.5 -6.3 ↓
Sweet Spot % 44.8 38.5 -6.3 ↓
xBA .272 .33 0.058 ↑
BA .29 .444 0.154 ↑
xwOBA .43 .414 -0.016 ↓
wOBA .37 .543 0.173 ↑
xSLG .615 .618 0.003 ↑
SLG .613 .833 0.22 ↑
K% 15 26.3 11.3 ↑
BB% 12.5 5.3 -7.2 ↓
Swing % 42.9 42.9 0
Whiff% 15.7 18.2 2.5 ↑
In Zone % 52.1 57.1 5 ↑
Out of Zone % 47.9 42.9 -5 ↓
Out of Zone Swing % 19.2 21.2 2 ↑
First Pitch Swing % 35 26.3 -8.7 ↓
First Pitch Strike % 70 63.2 -6.8 ↓
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2019 40 .370 29 1 3.4 11 10 90.9
2020 19 .543 11 5 45.5 8 3 37.5
2022 107 .373 67 12 17.9 40 20 50.0

Pitch Tempo

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2019 52 16.1 28.8% 0.0% 33 22.8 0.0% 15.2%
2020 17 17.9 5.9% 0.0% 25 21.4 4.0% 8.0%
2022 143 16.0 30.1% 0.0% 100 19.4 4.0% 7.0%
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Pitch Distribution

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