Jack Ralston
79
Miami Marlins#79 · RP

Jack Ralston

Age 29
Contract Value $150,156/yr
Size 6' 6" · 231
Throws RHP
Bats Right
From Panorama City, CA
0–3
W-L
5.71
ERA
1.38
WHIP
19
K
17.1
IP
1
GS
P-Score

P-Score not yet available

Stats updated Oct 29, 4:32 AM ET

Season overview

ERA
5.71
WHIP
1.38
K/9
9.9
BB/9
4.7
FIP
6.39
HR/9
2.6
WAR
-0.4
How good is he?
StatPlayerMLB AvgPercentile
Run Prevention2550
POOR
Skill5150
AVERAGE
Workload1350
POOR
Consistency1050
POOR
Form5050
AVERAGE
Contact Management5050
AVERAGE

Game log

Last 10 starts · bar = innings completed
1.1 IP · 33 pitches
3 ER3 H · 2 K
L
1.1 IP · 24 pitches
2 ER3 H · 2 K
L
1.0 IP · 21 pitches
0 ER0 H · 0 K
ND
1.0 IP · 21 pitches
0 ER0 H · 2 K
ND
2.0 IP · 31 pitches
1 ER1 H · 4 K
ND
0.1 IP · 6 pitches
1 ER1 H · 0 K
L
1.0 IP · 21 pitches
0 ER1 H · 1 K
ND
1.0 IP · 13 pitches
0 ER0 H · 1 K
ND
1.0 IP · 14 pitches
0 ER1 H · 1 K
ND
1.0 IP · 23 pitches
0 ER1 H · 2 K
ND

Pitch arsenal (2026)

Usage %Velocity
  • Splitter51.1%82.5 mph
  • Four-seam FB26.4%93.6 mph
  • Slider22.5%85.4 mph

Hot / cold zones (vs RHB)

.286.000.000.143.364.200.375.250.000
  • Better than MLB avg
  • Similar to MLB avg
  • Worse than MLB avg

Splits

vs handedness
vs LHH
.808
vs RHH
.946
.138 OPS better vs LHH

Career

YearTeamW-LERAIPKWHIPFIPWAR
2026MIAMiami Marlins0–35.7117.1191.386.39-0.4

Frequently asked

What is Jack Ralston's ERA in 2026?+
5.71 across 1 starts and 17.1 innings, with a 1.38 WHIP and a 6.39 FIP.
When is his next start?+
No probable start has been announced.
What pitches does he throw?+
He throws splitter (51.1% at 82.5 mph mph), four-seam fb (26.4% at 93.6 mph mph), slider (22.5% at 85.4 mph mph).
What is his P-Score?+
P-Score is not yet available for this pitcher.
How has he pitched in his last five starts?+
Fewer than three starts are available, so a last-five comparison is not shown.
Jack Ralston Stats 2026: ERA, WHIP & Game Log | PitcherStat