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DJ Herz

Nationals
Number #77
Position SP
Bats R
Throws L
Age 25
Height 6' 2"
Weight 197 lbs
Birth Place Fayetteville, NC
Born Jan 4, 2001

Key Insights

2026
One pitch of his moves in a way hitters rarely see

Herz's 4-seam fastball carries 15.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.

62 thrown, averaging 92.9 mph.
He lives on one side of the plate

Herz works in on right-handers: his average pitch lands 4.4 inches to that side of the middle of the plate.

128 located pitches in 2026.
The angle he throws from is unusual, and hitters notice

Herz releases the ball from a low three-quarters slot, about 34 degrees above horizontal and 2.0 feet to the first-base side of the rubber.

128 tracked release points, averaging 5.6 feet off the ground.
One pitch of his runs sideways more than almost anyone's

Herz's 4-seam fastball moves 12.4 inches toward the first-base side, the biggest horizontal move in his arsenal.

62 thrown, averaging 92.9 mph.
How much of the zone he uses depends on the count

Herz puts 60.5% of his pitches in the zone when he is behind and 47.2% when he is ahead.

38 located pitches behind, 36 ahead.
His fastball is the pitch everything else is built on

Herz's 4-seam fastball averages 92.9 mph, and has touched 95.1.

62 thrown, 48.4% of his pitches.

Movement Profile (Induced Break)

Catcher's Perspective • Pitch movement relative to a spinless ball

Player Bio Data
DOB Jan 4, 2001
Birth Place Fayetteville, NC
Height 6' 2"
Weight 197 lbs LBS
Bats/Throws R/L