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Pitcher · Seattle Mariners

Gabe Mosser

RHP · Throws Right · Age 30
ERA
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FIP
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IP
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W-L
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WHIP
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K%
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BB%
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GB%
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K/9
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HR/9
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Drafted by the San Diego Padres in 2018 (round 27), he was signed by the Seattle Mariners in free agency in January 2026.Facts: MLB StatsAPI (people · transactions)
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Sweeper

ST · lead pitch

28% of pitches · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
12%0%0%0%0%0%12%12%0%6%6%12%6%6%6%0%0%0%0%0%0%12%0%12%0%
Rare 0% · Common 10% · Very common 20%+

Arsenal

usage × whiff, ranked

6 pitch types · 75-pitch sample · 2026 season

Sweeper ST
28% usage
Cutter FC
25% usage
Four-Seam Fastball FF
17% usage
Sinker SI
15% usage
Slider SL
8% usage
Knuckleball KN
7% usage
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB– – –
vs. RHB– – –
Live · client-hydrated

Market lines

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

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Live · client-hydrated

DFS picks

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

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