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Christian Koss

#50 - 3B/2B/SS/DH

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
51 4 0 1 1 .167 .188
351st 323
PA
351st 39
R
349th 10
HR
351st 38
RBI
245th 6
SB
346th .244
AVG
351st .317
wOBA
K% BB% IPA% HC% xAVG xwOBA
19.6% 3.9% 13.7% - .152 .188
123rd -
K%
337th -
BB%
350th -
IPA%
1st -
HC%
351st -
xAVG
351st -
xwOBA

Articles

7/30/2026Playing Time Trends: Week 19Mark Steubinger

5/10/2026Fantasy Baseball Relief Pitcher Roundup: 5/9Rick Graham

4/5/2026Fantasy Baseball Relief Pitcher Roundup: 4/4Rick Graham

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

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

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 23 51 4 0 1 1 .167 .216 .188 .188 .188 81.5% 19.6% 3.9% 0.0% .211 2.6% 18.4% 13.7%
MLB Percentile 0 0 0 0 0 15 1 0 0 0 0 26 65 3 0 3 9 0 0
MLB AVG 86 323 39 10 38 6 .244 .319 .403 .317 .320 84.7% 22.0% 8.9% 19.2% .289 7.7% 38.1% 25.7%
Career 97 242 29 3 24 5 .243 .289 .329 .275 .287 74.6% 22.7% 4.5% 8.1% .307 5.2% 32.6% 23.1%

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 7 1 0 0 1 0 10 2 1 8 12 8 1
MLB Percentile 0 0 0 0 15 0 100 0 11 0 0 0 1
MLB AVG 46 13 1 10 6 2 70 29 4 71 151 86 17
Career 41 10 0 3 5 1 55 11 4 54 88 53 9

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 19.6% 3.9% .167 .216 .188 .188 .021 .211 .152 .207 .188 .187 .196 107.6 77.7 14.8
MLB Percentile 65 3 1 0 0 0 0 3 0 0 0 0 0 15 0 63
MLB AVG 22.0% 8.9% .244 .319 .403 .317 .159 .289 .242 .416 .320 .284 .371 110.4 89.7 13.4
Career 22.7% 4.5% .243 .289 .329 .275 .086 .307 .238 .369 .287 .290 .337 108.1 86.1 6.4

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 47.4% 13.2% 18.4% 21.1% 18.4% 50.0% 31.6% 18.4% 17.4% 81.5% 15.8% 0.0% 2.6% 18.4%
MLB Percentile 71 1 9 1 0 88 33 9 40 0 2 0 9 0
MLB AVG 43.5% 22.1% 24.4% 10.1% 35.3% 42.2% 33.4% 24.4% 18.2% 61.7% 24.5% 6.1% 7.7% 38.1%
Career 50.0% 20.9% 21.5% 7.6% 30.8% 40.7% 31.4% 27.9% 16.9% 67.4% 23.8% 3.5% 5.2% 32.6%

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 .167 .188 .211 .211 .152 .188 .187 .196 83.2 77.7 14.8 0.0% 18.4% 13.7%
MLB Percentile 1 0 3 1 0 0 0 0 5 0 63 0 0 0
MLB AVG .244 .317 .289 .323 .242 .320 .284 .371 88.2 89.7 13.4 19.2% 38.1% 25.7%
Career .243 .275 .307 .320 .238 .287 .290 .337 84.5 86.1 6.4 8.1% 32.6% 23.1%

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 44.1% 68.9% 56.5% 41.1% 27.5% 17.4% 72.5% 81.5% 59.5% 12.4% 15.5% 28.0% 23.6% 64.0%
MLB Percentile 40 94 95 6 33 40 33 26 52 89 17 50 97 97
MLB AVG 44.6% 63.9% 47.7% 31.9% 24.8% 18.2% 75.2% 84.7% 58.6% 16.2% 11.9% 28.1% 17.6% 58.3%
Career 49.9% 68.6% 55.3% 38.2% 30.8% 16.9% 69.2% 74.6% 59.1% 13.3% 17.0% 30.3% 21.4% 61.9%

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 44.1% 39.8% 29.8% 30.4% 33.5% 23.6% 42.9% 36.6% 33.5% 8.7%
MLB Percentile 40 100 93 0 29 68 64 55 28 98
MLB AVG 44.6% 29.4% 27.2% 43.4% 35.7% 22.8% 41.5% 35.5% 37.3% 6.6%
Career 49.9% 31.2% 27.2% 41.6% 26.0% 26.5% 47.6% 32.2% 40.6% 8.0%

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 66.5% 5.0% 28.6% 25.2% 64.7% 49.0% 15.9% 34.8% 21.7%
MLB Percentile 1 0 66 99 83 41 12 8 27
MLB AVG 58.8% 11.9% 29.6% 15.0% 61.3% 49.9% 20.9% 26.9% 19.0%
Career 62.2% 7.6% 30.2% 22.2% 64.0% 46.3% 17.0% 23.9% 22.6%

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 5.16 45.7% 19.4% 34.9% 10.7% 7.6% 6.0 +14
2026 SF 161 4.96 44.1% 18.0% 37.9% 6.2% 8.1% -6.1 -2
MLB Percentile 0 44 14 56 80 80 100 16 40
MLB AVG 1,256 4.96 46.0% 17.7% 36.3% 9.7% 4.8% 5.3 +2
Career 805 5.12 45.3% 19.1% 35.5% 9.8% 7.7% -0.1 +12
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