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Christian Koss

#50 - 2B/SS

San Francisco Giants

Bats / Throws Right / Right
Date of Birth 1/27/1998 (28)
Height, Weight 6'1", 185 lb
Hometown Riverside, CA

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
PA R HR RBI SB AVG wOBA
13 0 0 0 0 .077 .098
351st 106
PA
351st 13
R
306th 3
HR
350th 12
RBI
228th 2
SB
351st .242
AVG
351st .317
wOBA
K% BB% IPA% HC% xAVG xwOBA
15.4% 0.0% 7.7% 15.4% .077 .073
58th -
K%
350th -
BB%
351st -
IPA%
351st -
HC%
351st -
xAVG
351st -
xwOBA

Articles

9/25/2025The PLV Power Report: Reviewing This Year's RookiesRyan Amore

8/19/2025MLB News & Moments You Should Know: 8/19/2025Steve Drumwright

5/14/2025MLB News & Moments You Should Know: 5/14/2025Pablo Figueroa

4/25/2025MLB News & Moments You Should Know: 4/25/2025Justin Alston

See More Articles
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Christian Koss Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G PA R HR RBI SB AVG OBP SLG wOBA xwOBA Z-Con% K% BB% HR/FB% BABIP Brl% ICR IPA%
2025 SF 74 191 25 3 23 4 .264 .309 .368 .297 .311 73.0% 23.6% 4.7% 10.0% .336 6.0% 36.6% 25.7%
2026 SF 7 13 0 0 0 0 .077 .077 .154 .098 .073 87.5% 15.4% 0.0% 0.0% .091 0.0% 9.1% 7.7%
MLB Percentile 0 0 0 0 0 0 0 0 0 0 0 69 83 0 0 0 0 0 0
MLB AVG 28 106 13 3 12 2 .242 .319 .388 .317 .321 84.4% 22.1% 9.3% 17.3% .291 7.8% 37.8% 25.3%
Career 81 204 25 3 23 4 .251 .294 .353 .290 .302 73.9% 23.0% 4.4% 9.4% .317 5.5% 34.5% 24.5%

Christian Koss Game Log

Christian Koss Standard

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team 1B 2B 3B HR SB CS K BB HBP H TB HC Brl
2025 SF 34 9 0 3 4 1 45 9 3 46 76 45 8
2026 SF 0 1 0 0 0 0 2 0 0 1 2 2 0
MLB Percentile 0 3 0 0 0 0 100 0 0 0 0 0 0
MLB AVG 15 4 0 3 2 1 23 10 1 23 48 28 6
Career 34 10 0 3 4 1 47 9 3 47 78 47 8

Christian Koss Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team K% BB% AVG OBP SLG wOBA ISO BABIP xAVG xSLG xwOBA xBABIP xwoBACON Max EV FB EV LA
2025 SF 23.6% 4.7% .264 .309 .368 .297 .104 .336 .262 .414 .311 .321 .374 108.1 88.1 4.1
2026 SF 15.4% 0.0% .077 .077 .154 .098 .077 .091 .077 .085 .073 .091 .086 100.1 84.2 23.5
MLB Percentile 83 0 0 0 0 0 15 0 0 0 0 0 0 1 11 97
MLB AVG 22.1% 9.3% .242 .319 .388 .317 .146 .291 .239 .402 .321 .284 .368 109.2 89.6 13.2
Career 23.0% 4.4% .251 .294 .353 .290 .102 .317 .249 .391 .302 .303 .360 108.1 87.8 5.5

Christian Koss Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR
2025 SF 50.7% 23.1% 22.4% 3.7% 34.3% 38.1% 31.3% 30.6% 16.8% 63.4% 26.1% 4.5% 6.0% 36.6%
2026 SF 36.4% 9.1% 18.2% 36.4% 9.1% 18.2% 36.4% 45.5% 9.4% 90.9% 9.1% 0.0% 0.0% 9.1%
MLB Percentile 19 0 18 0 0 1 68 99 0 0 0 0 0 0
MLB AVG 44.1% 21.9% 24.0% 10.1% 34.9% 42.5% 33.0% 24.5% 17.8% 62.0% 24.2% 6.0% 7.8% 37.8%
Career 49.7% 22.1% 22.1% 6.2% 32.4% 36.6% 31.7% 31.7% 16.4% 65.5% 24.8% 4.1% 5.5% 34.5%

Christian Koss Batted Ball › Outcomes

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR IPA%
2025 SF .264 .297 .336 .351 .262 .311 .321 .374 84.9 88.1 4.1 10.0% 36.6% 25.7%
2026 SF .077 .098 .091 .091 .077 .073 .091 .086 87.8 84.2 23.5 0.0% 9.1% 7.7%
MLB Percentile 0 0 0 0 0 0 0 0 38 11 97 0 0 0
MLB AVG .242 .317 .291 .320 .239 .321 .284 .368 88.3 89.6 13.2 17.3% 37.8% 25.3%
Career .251 .290 .317 .331 .249 .302 .303 .360 85.2 87.8 5.5 9.4% 34.5% 24.5%

Christian Koss Approach › Plate Discipline

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS%
2025 SF 51.4% 68.5% 55.0% 37.4% 31.6% 16.8% 68.4% 73.0% 59.0% 13.5% 17.4% 30.9% 20.8% 61.3%
2026 SF 68.8% 78.1% 62.5% 40.0% 30.0% 9.4% 70.0% 87.5% 0.0% 15.6% 18.8% 34.4% 34.4% 75.0%
MLB Percentile 100 100 100 12 23 0 23 69 0 60 2 3 100 100
MLB AVG 44.5% 63.5% 47.1% 31.6% 25.0% 17.8% 75.0% 84.4% 58.8% 16.5% 11.9% 28.3% 17.4% 58.0%
Career 52.2% 68.9% 55.3% 37.5% 31.6% 16.4% 68.4% 73.9% 57.0% 13.6% 17.5% 31.1% 21.4% 62.0%

Christian Koss Approach › Locations

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% iLoc% x-mLoc% oLoc% hiLoc% y-mLoc% loLoc% aLoc% gLoc% mmLoc%
2025 SF 51.4% 29.0% 26.6% 44.4% 24.1% 27.2% 48.8% 31.1% 42.4% 7.8%
2026 SF 68.8% 28.1% 46.9% 25.0% 37.5% 31.3% 31.3% 25.0% 28.1% 18.8%
MLB Percentile 100 31 100 0 68 100 2 3 4 100
MLB AVG 44.5% 30.1% 27.0% 42.9% 35.5% 22.7% 41.8% 35.3% 37.7% 6.5%
Career 52.2% 29.0% 27.5% 43.5% 24.7% 27.4% 47.9% 30.8% 41.7% 8.3%

Christian Koss Approach › Counts

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2025 SF 61.2% 8.2% 30.6% 21.3% 63.9% 45.5% 17.3% 21.3% 22.8%
2026 SF 78.1% 6.3% 15.6% 28.0% 76.9% 53.8% 20.0% 40.0% 40.0%
MLB Percentile 0 1 100 100 100 78 40 5 0
MLB AVG 58.5% 12.3% 29.4% 14.6% 60.6% 49.7% 21.3% 27.0% 19.1%
Career 62.0% 8.1% 29.9% 21.7% 64.7% 46.1% 17.4% 21.8% 23.3%

Christian Koss PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL
2025 SF 644 5.15 45.8% 20.5% 33.7% 12.2% 7.7% 4.2 +10
2026 SF 32 5.24 53.1% 21.9% 25.0% 28.1% 6.3% -1.7 0
MLB Percentile 0 98 99 95 0 0 91 23 33
MLB AVG 415 5.00 46.6% 17.9% 35.5% 11.1% 4.4% 3.3 +3
Career 676 5.16 46.3% 20.6% 33.1% 13.1% 7.6% 2.4 +10
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