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Jainer Marmolejos

BAL · DSL · Age 18 · 5.1 IP
RHP DSL BAL
11.81
ERA
Jainer Marmolejos is a 18-year-old RHP in the BAL organization, currently at the DSL level. Across 5.1 innings, Jainer has posted a 11.81 ERA with a 3.82 xFIP and 1.88 WHIP. The strikeout rate sits at 34.6% against a 19.2% walk rate, a 15.4% K-BB% and 37.7% swinging-strike rate.
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Core Metrics
ERA
11.81
xFIP
3.82
K%
34.6
BB%
19.2
Command & Stuff
WHIP
1.88
K-BB%
15.4
SwStr%
37.7
IP
5.1
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Data via ProspectTilt PitchIQ — live MiLB Statcast analytics.
Stats current as of June 17, 2026. Updated nightly.
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