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Relief Pitcher · San Francisco Giants

Christian Koss

RHP · Throws Right · Age 28Reliever
ERA
13.50
FIP
–
IP
2.0
W-L
0-0
WHIP
2.50
K%
0.0
BB%
0.0
GB%
–
K/9
0.0
HR/9
0.0
Drafted by the Colorado Rockies in 2019 (round 12), he was acquired by the San Francisco Giants via trade from the Boston Red Sox in March 2024. He made his MLB debut on April 1, 2025.Facts: MLB StatsAPI (people · transactions)
No scheduled start today. The model projection and lineup matchup appear on start days.

Eephus

EP · lead pitch

94% of pitches · .365 xwOBA allowed · 24 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
3%4%2%2%2%4%5%3%12%0%8%15%11%9%8%0%2%2%2%2%0%0%2%5%2%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.242.905––––.213–.247––.303.265.652–––.071–.138–––.323–
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.007.032––––.011–.030––.044.028.055–––.001–.003–––.016–
Low risk · Average · High-risk zone
Eephus (94% usage) has allowed .365 xwOBA over 24 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

3 pitch types · 70-pitch sample · 2026/2025 blend, weighted 4/3/1

Eephus EP
94% usage · 4% whiff · .365 xwOBA · 49.0 mph
FA FA
4% usage · .895 xwOBA
Knuckleball KN
3% usage · .436 xwOBA
Whiff% Trend
last 2 outings · by pitch · min 5 swings per point
010204/45/9
EephusFAKnuckleball
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025 blend, weighted 4/3/1
SplitK%xwOBASample
vs. LHB– – 12
vs. RHB– – 14
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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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