Miami Marlins · RHP

#: 79
Team: MIA · P
Debut: 2026 · 1st MLB season

Jack Ralston

Age 29

Size 6' 6" · 231

Throws RHP

Bats Right

From Panorama City, CA

Team profile →Rotation →

0.00

ERA

1.00

WHIP

9.0

K/9

0.0

BB/9

2.0

Innings

Starts

Jack Ralston season snapshot

ERA

0.00

WHIP

1.00

K/9

9.0

BB/9

0.0

HR/9

0.00

2.0

ERA in last 10 starts

No start data available.

Game log (last 10 starts)

Date	Opp	Result	IP	H	R	ER	BB	K	HR	Pitches	ERA

2026 season · last 10 starts

Pitch arsenal (2026)

Usage %Velocity

Splitter

61.3%

83.0 mph

Slider

32.3%

84.5 mph

Four-seam FB

6.5%

94.0 mph

Hot / cold zones (vs RHB)

.000

.500

Better than
MLB avg

Similar to
MLB avg

Worse than
MLB avg

Performance vs teams (2026)

TeamGSERA

Nationals1

0.00

Monthly ERA (2026)

No monthly data for ERA.

Minimum 1 GS

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