DJ Herz

LHP

Team: Washington NationalsThrows: LHeight: 6'2"Weight: 197 lbDOB: Jan 4, 2001Born: Fayetteville, NC, USAActive

Compare

Games

10.29

ERA

8.6%

K-BB%

92.9 mph

FB Velo

25.0%

CSW%

Stuff+

-3 vs MLB 100

vL 105▲vR 89▼

DLoc+

-18 vs MLB 100

vL 80▼vR 83▼

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-14 vs MLB 100

vL 101vR 100

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

48.4%|Pitching+98

Velocity

92.9mph

Spin

2296rpm

CSW%

30.6%

iVB / iHB

16.1" / 12.4"

Stuff+

DLoc+

Pitching+

vs L

48▼

vs R

95▼

54▼

Grade drivers

League-average 4-Seam Fastball · 100 → 94.9

Carry along arm slot

+4.7

Break across arm slot

−2.7

Seam-shifted wake: amount

−2.6

Horizontal geometry

+2.2

Velocity

−1.8

Vertical approach angle

−1.4

Everything else

−3.5

Changeup

29.7%|Pitching+106▲

Velocity

82.4mph

Spin

2272rpm

CSW%

23.7%

iVB / iHB

6.3" / 15.9"

Stuff+

DLoc+

Pitching+

vs L

110▲

86▼

108▲

vs R

100

93▼

104

Grade drivers

League-average Changeup · 100 → 105.8

Horizontal geometry

+4.9

Velo gap vs fastball

+3.6

Vertical approach angle

+2.9

Extension

+1.9

Velocity

−1.3

Carry along arm slot

+0.9

Everything else

−7.1

Slider

19.5%|Pitching+102

Velocity

87.8mph

Spin

1998rpm

CSW%

16%

iVB / iHB

10.1" / 1.7"

Stuff+

DLoc+

Pitching+

vs L

106▲

120▲

103

vs R

65▼

108▲

102

Grade drivers

League-average Slider · 100 → 84.3

Velo gap vs fastball

−8.7

Carry along arm slot

−8.5

Horizontal geometry

+6.8

Vertical approach angle

−2.8

Release height

−2.3

Extension

+1.5

Everything else

−1.7

Curveball

2.3%|Pitching+—

Velocity

79.6mph

Spin

1957rpm

CSW%

iVB / iHB

6" / -0.1"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

xRV (Expected Run Value): Expected runs per 100 pitches using xwOBA on batted balls (BABIP-neutral). Negative = good (runs prevented), Positive = bad (runs allowed).

Similar Pitchers

Last 30 games in 2026

DJ Herz

LHP

Team: Washington NationalsThrows: LHeight: 6'2"Weight: 197 lbDOB: Jan 4, 2001Born: Fayetteville, NC, USAActive

Compare

Games

10.29

ERA

8.6%

K-BB%

92.9 mph

FB Velo

25.0%

CSW%

Stuff+

-3 vs MLB 100

vL 105▲vR 89▼

DLoc+

-18 vs MLB 100

vL 80▼vR 83▼

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-14 vs MLB 100

vL 101vR 100

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

48.4%|Pitching+98

Velocity

92.9mph

Spin

2296rpm

CSW%

30.6%

iVB / iHB

16.1" / 12.4"

Stuff+

DLoc+

Pitching+

vs L

48▼

vs R

95▼

54▼

Grade drivers

League-average 4-Seam Fastball · 100 → 94.9

Carry along arm slot

+4.7

Break across arm slot

−2.7

Seam-shifted wake: amount

−2.6

Horizontal geometry

+2.2

Velocity

−1.8

Vertical approach angle

−1.4

Everything else

−3.5

Changeup

29.7%|Pitching+106▲

Velocity

82.4mph

Spin

2272rpm

CSW%

23.7%

iVB / iHB

6.3" / 15.9"

Stuff+

DLoc+

Pitching+

vs L

110▲

86▼

108▲

vs R

100

93▼

104

Grade drivers

League-average Changeup · 100 → 105.8

Horizontal geometry

+4.9

Velo gap vs fastball

+3.6

Vertical approach angle

+2.9

Extension

+1.9

Velocity

−1.3

Carry along arm slot

+0.9

Everything else

−7.1

Slider

19.5%|Pitching+102

Velocity

87.8mph

Spin

1998rpm

CSW%

16%

iVB / iHB

10.1" / 1.7"

Stuff+

DLoc+

Pitching+

vs L

106▲

120▲

103

vs R

65▼

108▲

102

Grade drivers

League-average Slider · 100 → 84.3

Velo gap vs fastball

−8.7

Carry along arm slot

−8.5

Horizontal geometry

+6.8

Vertical approach angle

−2.8

Release height

−2.3

Extension

+1.5

Everything else

−1.7

Curveball

2.3%|Pitching+—

Velocity

79.6mph

Spin

1957rpm

CSW%

iVB / iHB

6" / -0.1"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

xRV (Expected Run Value): Expected runs per 100 pitches using xwOBA on batted balls (BABIP-neutral). Negative = good (runs prevented), Positive = bad (runs allowed).

Similar Pitchers

Last 30 games in 2026

DJ Herz

Pitch Arsenal

4-Seam Fastball

Changeup

Slider

Curveball

Similar Pitchers

Game Log

DJ Herz

Pitch Arsenal

4-Seam Fastball

Changeup

Slider

Curveball

Similar Pitchers

Game Log