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Pitcher · Miami Marlins

Jack Ralston

RHP · Throws Right · Age 29Swingman
ERA
5.71
FIP
–
IP
17.1
W-L
0-3
WHIP
1.38
K%
24.7
BB%
11.7
GB%
–
K/9
9.9
HR/9
2.6
Drafted by the St. Louis Cardinals in 2019 (round 7), he was signed by the Miami Marlins in free agency in December 2025.Facts: MLB StatsAPI (people · transactions)
No scheduled start today. The model projection and lineup matchup appear on start days.

Splitter

FS · lead pitch

51% of pitches · .267 xwOBA allowed · 36 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
2%1%6%2%0%1%8%7%2%0%4%11%14%7%2%0%5%3%2%2%1%6%7%6%3%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
––.147–––.384.007––.140.218.473.376––.000.125.000.417–.109.176––
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
––.009–––.032.000––.005.023.068.026––.000.004.000.006–.007.012––
Low risk · Average · High-risk zone
Splitter (51% usage) has allowed .267 xwOBA over 36 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

3 pitch types · 303-pitch sample · 2026 season

Splitter FS
51% usage · 22% whiff · .267 xwOBA · 82.6 mph
Four-Seam Fastball FF
25% usage · 15% whiff · .258 xwOBA · 93.6 mph
Slider SL
24% usage · 9% whiff · .489 xwOBA · 85.3 mph
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
102030405060709/89/99/139/149/169/189/229/26
SplitterFour-Seam FastballSlider
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB18.4 .339 46
vs. RHB– – 22
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Market lines

current pick’em lines by book · updates through the day

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DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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