Jeff Locke
P | Bats/Throws: L/L | 6' 0" 200LBS | Age: 36
Draft: 2006 | Rd: 2, #51, Atlanta Braves | A Crosby Kennett Sr HS
W L ERA G GS SV IP SO WHIP
2015 8 11 4.49 30 30 0 168.1 129 1.42
2016 9 8 5.44 30 19 0 127.1 73 1.53
2017 0 5 8.16 7 7 0 32 26 1.78
7 Seasons 35 43 4.59 130 117 0 676.1 481 1.43
G W-L ERA IP SO WHIP
2015 30 8-11 4.49 168.1 129 1.42
2016 30 9-8 5.44 127.1 73 1.53
2017 7 0-5 8.16 32 26 1.78
7 Seasons 130 35-43 4.59 676.1 481 1.43
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
2015 27 2780 540 19 3.5 2.6 87.4 111.9 6.1 30.6 .250 .368 .321 .306 .335 30.0 17.5 8.2 4.49 3.85
2016 28 2096 443 29 6.5 5.2 89.0 113.0 10.1 31.2 .285 .452 .358 .345 .369 33.4 13.0 7.8 5.44 5.14
2017 29 574 111 8 7.2 5.3 88.9 111.9 10.8 34.2 .284 .469 .360 .352 .398 32.4 17.1 9.9 8.16 5.48
Player 5450 1094 56 5.1 3.9 88.2 113.0 8.2 31.2 .267 .411 .339 .326 .355 31.6 15.7 8.2
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

Locke relies on 4 pitches.
Sinker
(34.2%) ,
Four Seamer
(24.8%) ,
Changeup
(23.9%) ,
Knuckle Curve
(17.1%) ,


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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
2015 53.1 15.4 27.0 4.4 42.8 39.1 18.1 3.5 41.7 18.5 25.9 4.3 3.5 2.6
2016 50.8 19.4 24.4 5.4 41.8 35.4 22.8 3.8 36.1 21.2 24.4 3.2 6.5 5.2
2017 45.0 21.6 29.7 3.6 42.3 41.4 16.2 3.6 32.4 22.5 29.7 4.5 7.2 5.3
Player 51.4 17.6 26.2 4.8 42.3 37.8 19.8 3.7 38.5 20.0 25.7 3.8 5.1 3.9
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
2017 Sinker MIA L 196 90.7 21.1 -1.3 -6 14.1 -0.8 -5
2017 Curveball MIA L 98 77.9 52.6 -1.9 -3 7.0 -1.9 -21
2017 4-Seam Fastball MIA L 142 90.9 17.0 -0.6 -3 8.8 0.3 4
2017 Changeup MIA L 137 80.5 31.0 -2.1 -6 8.8 -4.7 -35
2016 Sinker PIT L 1,263 92.1 20.2 -1.6 -8 13.9 0.0 0
2016 Changeup PIT L 660 83.1 31.6 -0.8 -2 8.1 -4.5 -35
2016 Curveball PIT L 27 79.2 54.3 0.7 1 2.2 -7.1 -76
2016 4-Seam Fastball PIT L 90 92.2 15.6 1.3 8 6.3 -1.3 -17
2015 Changeup PIT L 620 81.7 32.2 -0.8 -2 10.2 -2.6 -20
2015 4-Seam Fastball PIT L 84 92.0 15.5 1.2 7 7.7 0.5 7
2015 Curveball PIT L 438 80.0 53.0 0.4 1 6.6 -3.2 -32
2015 Sinker PIT L 1,598 91.9 20.8 -1.8 -8 14.7 0.5 4
! 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 %
2017 Sinker -4.7 -9 196 34.1 52 .340 .511 .386 5.8 17.3 15.5 .282 .479 .361 33.3
2017 4-Seam Fastball -1.0 -1 142 24.7 33 .286 .607 .427 5.5 15.2 14.7 .252 .439 .342 41.7
2017 Changeup -0.1 0 137 23.9 49 .283 .413 .327 39.3 22.4 24.4 .280 .479 .343 25.7
2017 Curveball -1.4 -1 98 17.1 15 .357 .429 .370 16.1 6.7 3.7 .364 .463 .380 30.8
! 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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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2011 78 293 6 -6 -4 -2 -6
2012 148 563 4 2 -5 -2 -2
2013 707 2,700 12 29 -24 -10 8
2014 546 1,954 2 11 -14 -5 -6
2015 732 2,761 10 10 -19 -10 -9
2016 559 2,079 -5 10 -20 -8 -23
2017 149 573 -5 -1 -5 -1 -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 %
2015 2,780 45.4 66.5 82.7 27.5 65.7 44.4 62.5 45.3 21.7 6.1 73.8
2016 2,096 49.2 72.4 83.4 25.7 69.0 44.4 61.8 48.7 19.2 7.3 79.7
2017 574 47.8 66.8 86.9 26.1 69.2 44.2 60.5 45.5 18.4 8.0 84.8
Player 5,450 47.1 68.9 83.4 26.7 67.2 44.4 62.0 46.6 20.4 6.7 77.7
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
2015 51 40 63 76 34 35 84 68 74 31 36 43 27 36 11 3 30
2016 16 6 21 38 11 21 36 34 59 4 50 19 14 36 17 23
2017 20 11 1 22
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2016 22.6 17 13.4 4 11 11 4 23.5
2017 22.3 4 5.3 -1 4 4 2 50.0
Player 22.5 21 18.7 2 15 15 6 28.6

Expected Home Runs by Park

Year HR
2016 17 14 13 17 16 12 13 12 8 12 11 17 13 13 11 14 8 11 14 14 13 13 18 16 14 13 16 20 14 12 10
2017 4 4 5 5 5 5 6 6 4 4 6 9 5 5 4 6 5 4 6 6 5 6 6 6 3 4 6 7 6 6 3
Player 21 18 18 22 21 17 19 18 12 16 17 26 18 18 15 20 13 15 20 20 18 19 24 22 17 17 22 27 20 18 13
! 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 +/-  
Fastball Velocity 91.9 92.1 0.2 90.8 -1.3
Offspeed Velocity 81.7 83.1 1.4 80.5 -2.6
Breaking Velocity 80.0 79.3 -0.7 77.9 -1.4
Exit Velocity 87.4 89.0 1.6 88.9 -0.1
Launch Angle 6.1 10.1 4.0 10.8 0.7
Barrel % 3.5 6.5 3.0 7.2 0.7
Hard Hit % 30.0 33.4 3.4 32.4 -1.0
Sweet Spot % 30.6 31.2 0.6 34.2 3.0
xBA .250 .285 0.035 .284 -0.001
BA .274 .298 0.024 .311 0.013
xwOBA .306 .345 0.039 .352 0.007
wOBA .321 .358 0.037 .360 0.002
xSLG .368 .452 0.084 .469 0.017
SLG .398 .484 0.086 .489 0.005
K% 17.5 13.0 -4.5 17.1 4.1
BB% 8.2 7.8 -0.4 9.9 2.1
Swing % 45.3 48.7 3.4 45.5 -3.2
Whiff% 21.7 19.2 -2.5 18.4 -0.8
In Zone % 45.4 49.2 3.8 47.8 -1.4
Out of Zone % 54.6 50.8 -3.8 52.2 1.4
Out of Zone Swing % 27.5 25.7 -1.8 26.1 0.4
First Pitch Swing % 27.3 34.8 7.5 21.1 -13.7
First Pitch Strike % 62.5 61.8 -0.7 60.5 -1.3
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 538 .363 390 69 17.7 148 52 35.1
2017 Shifts 148 .363 111 3 2.7 37 15 40.5
! 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 %
2011 83 15.5 45.8% 1.2% 69 25.2 0.0% 20.3%
2012 191 15.7 42.9% 1.0% 81 24.7 0.0% 6.2%
2013 798 15.4 45.5% 0.3% 452 24.5 0.0% 12.4%
2014 649 15.2 47.9% 0.3% 253 23.3 1.2% 8.3%
2015 832 15.4 47.0% 2.4% 478 24.5 5.2% 24.1%
2016 588 15.2 47.3% 1.9% 341 23.4 5.6% 17.3%
2017 150 15.7 40.7% 0.0% 112 22.0 0.0% 8.9%
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Pitch Distribution


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