17 days until Spring Training games
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DJ Herz
P | Bats/Throws: R/L | 6' 2" 197LBS | Age: 24
Draft: 2019 | Rd: 8, #252, Chicago Cubs | Terry Sanford HS
W
L
ERA
G
GS
SV
IP
SO
WHIP
2024 4 9 4.16 19 19 0 88.2 106 1.26
1 Season 4 9 4.16 19 19 0 88.2 106 1.26
G
W-L
ERA
IP
SO
WHIP
2024 19 4-9 4.16 88.2 106 1.26
1 Season 19 4-9 4.16 88.2 106 1.26
20242024 MLB Percentile Rankings
ValuesavantPOORAVERAGEGREATPitching Run Value5NOT QUALIFIED61Fastball Run Value9NOT QUALIFIED84Breaking Run Value0NOT QUALIFIED44Offspeed Run Value-3NOT QUALIFIED18PitchingxERA3.26NOT QUALIFIED81xBA.208NOT QUALIFIED86Fastball Velo93.5NOT QUALIFIED40Avg Exit Velocity89.4NOT QUALIFIED32Chase %27.9NOT QUALIFIED41Whiff %29.3NOT QUALIFIED78K %27.7NOT QUALIFIED81BB %9.4NOT QUALIFIED29Barrel %8.1NOT QUALIFIED41Hard-Hit %34.7NOT QUALIFIED81GB %36.9NOT QUALIFIED18Extension6.7NOT QUALIFIED74
20242024 Movement Profile (Induced Break)
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MLB AVG.ARM ANGLE37°12"24"6"12"18"24"12"24"12"24"0.2 INCHES BREAK2.3 INCHES DROP0.2 INCHES BREAK3.0 INCHES RISEAVG15.5 INCHES TAIL6.1 INCHES RISEAVG12.4 INCHES TAIL15.9 INCHES RISEAVG1B3BMOVES TOWARD︎MORERISEMOREDROPUSAGEMPHLHP AVG4-Seam54%93.593.2Change25%83.584.2Slider18%86.184.4Curve3%81.278.8SAMPLE100 PITCH

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
2024 23 1586 236 19 8.1 5.0 89.4 113.3 18.0 30.9 .208 .340 .294 .281 .340 34.7 27.7 9.4 4.16 3.26
Player 1586 236 19 8.1 5.0 89.4 113.3 18.0 30.9 .208 .340 .294 .281 .340 34.7 27.7 9.4
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

Herz relies on 4 pitches.
Four Seamer
(54.2%) ,
Changeup
(24.5%) ,
Slider
(17.9%) ,
Knuckle Curve
(3.3%) ,

Four Seamer860 Pitches (54.2%)
Changeup389 Pitches (24.5%)
Slider284 Pitches (17.9%)
Knuckle Curve53 Pitches (3.3%)

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Created with Highcharts 6.2.0%Chart context menuDJ Herz Pitch % by SeasonSource: baseballsavant.mlb.comFour SeamerChangeupSliderKnuckle Curve202401020304050
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Pitch Tracking

Year
Pitch Type
#
# RHB
# LHB
%
MPH
PA
AB
H
1B
2B
3B
HR
SO
BBE
BA
XBA
SLG
XSLG
WOBA
XWOBA
EV
LA
Spin
Ext.
Whiff%
PutAway%
2024 Four Seamer 860 630 230 54.2 93.5 193 167 37 28 5 1 3 62 106 .222 .194 .317 .322 .288 .279 90.6 20 2325 6.7 30.5 22.7
2024 Changeup 389 369 20 24.5 83.5 106 98 22 14 4 0 4 23 76 .224 .224 .388 .356 .289 .278 84.7 15 2272 6.6 26.0 15.6
2024 Slider 284 146 138 17.9 86.1 78 70 16 10 2 0 4 20 50 .229 .202 .429 .345 .321 .282 87.8 15 2217 6.6 27.5 17.5
2024 Knuckle Curve 53 46 7 3.3 81.2 5 5 1 1 0 0 0 1 4 .200 .424 .200 .572 .176 .430 99.8 17 2150 6.5 53.3 16.7
! Note: Years are in reverse order.


Batted Ball Profile

Season
GB %
FB %
LD %
PU %
Pull %
Straight %
Oppo %
Weak %
Topped %
Under %
Flare/Burner %
Solid %
Barrel %
Barrel/PA
2024 36.9 31.4 24.2 7.6 39.8 33.9 26.3 5.1 24.2 31.8 25.0 5.9 8.1 5.0
Player 36.9 31.4 24.2 7.6 39.8 33.9 26.3 5.1 24.2 31.8 25.0 5.9 8.1 5.0
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

Created with Highcharts 6.2.0Chart context menuDJ Herz Vertical Movement vs Avg (Inches) by SeasonSource: baseballsavant.mlb.comFour SeamerSliderCurveballChangeup2024-8-6-4-202

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)
Year
Pitch
Team
Hand
#
MPH
Vertical
Drop
vs.
Comparable
Horizontal
Break
vs.
Comparable
Vertical
Break
vs. Avg
Horizontal
Break
vs. Avg
2024 4-Seam Fastball WSH L 860 93.5 15.4 -0.1 12.4ARM 5.1 15.9 0.3 12.4ARM 4.2
2024 Slider WSH L 284 86.1 34.0 -1.1 0.2GLV -4.4 3.0 -1.5 0.2GLV -4.9
2024 Curveball WSH L 53 81.2 43.7 -7.1 0.2GLV -8.2 -2.3 -5.7 0.2GLV -7.2
2024 Changeup WSH L 389 83.5 33.1 0.3 15.5ARM 1.8 6.1 -0.2 15.5ARM 1.4
! 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 4-Seam Fastball 1.0 9 860 54.2 193 .222 .317 .302 30.5 32.1 22.7 .194 .322 .282 41.5
2024 Changeup -0.8 -3 389 24.5 106 .224 .388 .299 26.0 21.7 15.6 .224 .356 .279 23.7
2024 Slider -0.6 -2 284 17.9 78 .229 .429 .322 27.5 25.6 17.5 .202 .345 .283 34.0
2024 Curveball 2.9 2 53 3.3 5 .200 .200 .180 53.3 20.0 16.7 .424 .572 .430 75.0
! 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 386 83.6 92 17.1 9:30 9:30 0
2024 Curveball 53 81.2 22 4.6 4:30 6:00 -90
2024 4-Seam Fastball 852 93.5 99 20.0 10:45 10:45 0
2024 Slider 280 86.1 15 2.8 12:15 12:15 0
! Note: Years are in reverse order.
1212345678910114-SEAM FASTBALLCHANGEUPSLIDERCURVEBALLDJ HerzSpin-Based Movement by Pitch TypeSPIN DIRECTION - PITCHER POV
1212345678910114-SEAM FASTBALLCHANGEUPSLIDERCURVEBALLDJ HerzObserved Movement by Pitch TypeSPIN DIRECTION - PITCHER POV
! Note: This table is showing data from the PITCHER perspective.
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Pitcher Arm Angle

2024All YearsClick a year to see pitches
ARM ANGLE37°2024
! 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
2024 382 1,586 3 18 -8 -8 5
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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 %
2024 1,586 50.6 69.3 76.1 27.9 55.3 41.4 60.7 48.9 29.3 8.6 79.6
Player 1,586 50.6 69.3 76.1 27.9 55.3 41.4 60.7 48.9 29.3 8.6 79.6
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
2024 81 86 80 69 76 42 41 32 81 81 29 78 41 40 70 8 74
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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 %
2024 24.0 11 9.9 1 4 8 5 45.5
Player 24.0 11 9.9 1 4 8 5 45.5
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
2024 11 8 11 9 10 11 12 10 9 7 10 13 10 8 9 11 9 7 11 12 10 10 13 11 6 8 10 10 11 12 9
Player 11 8 11 9 10 11 12 10 9 7 10 13 10 8 9 11 9 7 11 12 10 10 13 11 6 8 10 10 11 12 9
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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Statcast Fielder Positioning

vs RHH
vs LHH
Year
Alignment Type
PA
wOBA
PA
Total
%
PA
Total
%
2024 Shades 382 .294 290 1 0.3 92 18 19.6
! 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 Empty
Runners On Base
Season
Team
Pitches
Tempo
Fast %
Slow %
Pitches
Tempo
Fast %
Slow %
2024 459 14.0 69.1% 0.0% 231 17.2 11.3% 1.3%

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Pitch Distribution

DJ Herz - 2024 Frequency of Pitches by Pitch Speed4-Seam FastballChangeupCurveballSliderAll Pitches80 MPH85 MPH90 MPH95 MPHPitch Speed0%5%10%15%Frequency of Speed