Major League Baseball PLAYER PROFILE

DJ Herz

Washington Nationals · Pitcher · Age 25 · #77

AGE25

BATSRight

THROWSLeft

CURRENT LEVELMajor League Baseball

DJ Herz is a pitcher for Washington Nationals. Age 25. Bats right. Throws left. MLB debut: 2024-06-04.

2026 season by level

MLB

2026 · Major League Baseball

Washington Nationals

Season 2026 · Major League Baseball

ERA9.00

WHIP1.75

W-L0-1

GS1

IP4.0

SO4

BB2

K/99.00

BB/94.50

HR/92.25

AAA

2026 · Triple-A

Rochester Red Wings

Season 2026 · Triple-A

ERA5.54

WHIP1.23

W-L0-1

GS4

IP13.0

SO12

BB4

K/98.31

BB/92.77

HR/92.77

2026 · Double-A

Harrisburg Senators

Season 2026 · Double-A

ERA0.00

WHIP0.75

W-L0-0

GS2

IP4.0

SO4

BB2

K/99.00

BB/94.50

HR/90.00

Low-A

2026 · Low-A

Fredericksburg Nationals

Season 2026 · Low-A

ERA2.45

WHIP1.91

W-L0-0

GS2

IP3.2

SO6

BB1

K/914.73

BB/92.45

HR/90.00

ALL PROFESSIONAL LEVELS

2026 combined total

ERA4.74

WHIP1.34

W-L0-2

GS9

IP24.2

SO26

BB9

K/99.49

BB/93.28

HR/91.82

Combined totals add MLB and affiliated Minor League counting statistics. Rate statistics are recalculated, but they are not adjusted for differences in competition level.

Professional year-by-year

Minor League and MLB lines are labeled by both season and competition level.

MLB

2026 · Major League Baseball

Washington Nationals

Season 2026 · Major League Baseball

ERA9.00

WHIP1.75

W-L0-1

GS1

IP4.0

SO4

BB2

K/99.00

BB/94.50

HR/92.25

AAA

2026 · Triple-A

Rochester Red Wings

Season 2026 · Triple-A

ERA5.54

WHIP1.23

W-L0-1

GS4

IP13.0

SO12

BB4

K/98.31

BB/92.77

HR/92.77

2026 · Double-A

Harrisburg Senators

Season 2026 · Double-A

ERA0.00

WHIP0.75

W-L0-0

GS2

IP4.0

SO4

BB2

K/99.00

BB/94.50

HR/90.00

Low-A

2026 · Low-A

Fredericksburg Nationals

Season 2026 · Low-A

ERA2.45

WHIP1.91

W-L0-0

GS2

IP3.2

SO6

BB1

K/914.73

BB/92.45

HR/90.00

MLB

2024 · Major League Baseball

Washington Nationals

Season 2024 · Major League Baseball

ERA4.16

WHIP1.26

W-L4-9

G19

GS19

IP88.2

SO106

BB36

K/910.76

BB/93.65

HR/91.12

AAA

2024 · Triple-A

Rochester Red Wings

Season 2024 · Triple-A

ERA3.89

WHIP1.42

W-L3-3

G10

GS10

IP39.1

SO44

BB32

K/910.07

BB/97.32

HR/90.69

2023 · Double-A

Tennessee Smokies

Season 2023 · Double-A

ERA3.97

WHIP1.42

W-L1-1

G14

GS14

IP59.0

SO80

BB37

K/912.20

BB/95.64

HR/90.61

2023 · Double-A

Harrisburg Senators

Season 2023 · Double-A

ERA2.55

WHIP1.13

W-L2-2

GS8

IP35.1

SO53

BB20

K/913.50

BB/95.09

HR/90.25

2023 · Double-A

Season 2023 · Double-A

ERA3.43

WHIP1.31

W-L3-3

G22

GS22

IP94.1

SO133

BB57

K/912.69

BB/95.44

HR/90.48

2022 · Double-A

Tennessee Smokies

Season 2022 · Double-A

ERA8.24

WHIP1.80

W-L1-4

GS9

IP31.2

SO42

BB33

K/911.94

BB/99.38

HR/91.42

High-A

2022 · High-A

South Bend Cubs

Season 2022 · High-A

ERA2.26

WHIP1.10

W-L2-2

G17

GS17

IP63.2

SO99

BB37

K/913.99

BB/95.23

HR/90.42

High-A

2021 · High-A

South Bend Cubs

Season 2021 · High-A

ERA2.81

WHIP1.00

W-L1-0

GS3

IP16.0

SO26

BB6

K/914.63

BB/93.38

HR/90.56

Low-A

2021 · Low-A

Myrtle Beach Pelicans

Season 2021 · Low-A

ERA3.43

WHIP1.07

W-L3-4

G17

GS17

IP65.2

SO105

BB38

K/914.39

BB/95.21

HR/90.82

Professional career totals

ERA3.86

WHIP1.27

W-L17-27

G106

GS106

IP424.0

SO581

BB248

SV0

Career by level

MLB

Major League Baseball

Washington Nationals

ERA4.37

WHIP1.28

W-L4-10

G20

GS20

IP92.2

SO110

BB38

SV0

AAA

Triple-A

Rochester Red Wings

ERA4.30

WHIP1.38

W-L3-4

G14

GS14

IP52.1

SO56

BB36

SV0

Double-A

ERA4.50

WHIP1.42

W-L4-7

G33

GS33

IP130.0

SO179

BB92

SV0

High-A

South Bend Cubs

ERA2.37

WHIP1.08

W-L3-2

G20

GS20

IP79.2

SO125

BB43

SV0

Low-A

ERA3.38

WHIP1.11

W-L3-4

G19

GS19

IP69.1

SO111

BB39

SV0

Advanced profile

BABIP.333

HR/92.25

P/IP15.75

Fielding

FLD%1.000

GS1

INN4.0

PO0

DP0

Bio

Age25

Height6' 2"

Weight197

BatsRight

ThrowsLeft

BornFayetteville, USA

Draft2019

MLB debut2024-06-04

StatusActive

Last 8 games

Date	Season · Level	Opponent	Performance
2026-09-21	2026 · MLB	at Detroit Tigers	4.0 IP · 4 SO · 4 ER · 63 pitches
2026-09-11	2026 · AAA	vs Scranton/Wilkes-Barre RailRiders	4.1 IP · 5 SO · 1 ER · 65 pitches
2026-09-06	2026 · AAA	at Syracuse Mets	4.1 IP · 4 SO · 1 ER · 58 pitches
2026-09-01	2026 · AAA	at Syracuse Mets	2.1 IP · 1 SO · 6 ER · 50 pitches
2026-08-26	2026 · AAA	vs Buffalo Bisons	2.0 IP · 2 SO · 0 ER · 41 pitches
2026-08-20	2026 · AA	at Akron RubberDucks	2.0 IP · 2 SO · 0 ER · 33 pitches
2026-08-14	2026 · AA	vs Richmond Flying Squirrels	2.0 IP · 2 SO · 0 ER · 23 pitches
2026-08-08	2026 · Low-A	vs Delmarva Shorebirds	1.0 IP · 3 SO · 0 ER · 25 pitches

Recent roster and availability activity

Cosmetic jersey/uniform-number changes are intentionally omitted.

2026-09-21 · Status Change

Washington Nationals activated LHP DJ Herz from the 60-day injured list.

2026-08-26 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to Rochester Red Wings.

2026-08-14 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to Harrisburg Senators.

2026-08-14 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to Harrisburg Senators.

2026-08-08 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to Fredericksburg Nationals.

2026-06-16 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to Fredericksburg Nationals.

2026-06-05 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to FCL Nationals.

2026-06-05 · Assigned

Washington Nationals sent LHP DJ Herz on a rehab assignment to FCL Nationals.

Professional statistics are requested separately for MLB, Triple-A, Double-A, High-A and Low-A through MLB Stats API, then labeled and combined by Atlas Harbor. Prospect rankings and scouting grades are displayed only when the official MLB Pipeline page can be verified.