Christian Koss

Christian Koss

27-Year-Old ShortstopSS
San Francisco Giants
10-Day IL
Injury Hamstring
Est. Return 7/11/2025
2025 Fantasy Outlook
There was no outlook written for Christian Koss in 2025. Check out the latest news below for more on his current fantasy value.
Signed a one-year contract with the Giants in March of 2025.
Placed on injured list
SSSan Francisco Giants
Hamstring
July 1, 2025
The Giants placed Koss on the 10-day injured list Tuesday with a left hamstring strain, Justice delos Santos of The San Jose Mercury News reports.
Analysis
Koss had to make an early exit from Monday's game after injuring his hamstring during his third at-bat, and he'll now be forced to sit out at least another 10 days. With Matt Chapman (hand) and Casey Schmitt (wrist) also on the IL, Wilmer Flores is likely to see some time at third base in the near future. Meanwhile, Luis Matos will come up from Triple-A Sacramento to replenish the Giants' bench depth.
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Batting Stats
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2025 MLB Game Log
2025
2025 MLB Game Log
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Minor League Game Log
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Batting Order Slot Breakdown
vs Right-Handed Pitchers
vs RHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
2
3
1
17
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
6
Left/Right Batting Splits
Since 2023
 
 
+2%
OPS vs RHP
2025
 
 
+2%
OPS vs RHP
2024
No Stats
2023
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2023vs Left .655 28 2 0 2 0 .296 .321 .333
Since 2023vs Right .665 80 10 2 10 2 .254 .299 .366
2025vs Left .655 28 2 0 2 0 .296 .321 .333
2025vs Right .665 80 10 2 10 2 .254 .299 .366
2024vs Left 0 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0 0
2023vs Left 0 0 0 0 0 0 0 0 0
2023vs Right 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Minor League Splits View Minor League Split Stats
Home/Away Batting Splits
Since 2023
 
 
+16%
OPS at Home
2025
 
 
+16%
OPS at Home
2024
No Stats
2023
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2023Home .710 56 6 2 10 1 .265 .302 .408
Since 2023Away .614 52 6 0 2 1 .265 .308 .306
2025Home .710 56 6 2 10 1 .265 .302 .408
2025Away .614 52 6 0 2 1 .265 .308 .306
2024Home 0 0 0 0 0 0 0 0 0
2024Away 0 0 0 0 0 0 0 0 0
2023Home 0 0 0 0 0 0 0 0 0
2023Away 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Stat Review
How does Christian Koss compare to other hitters?
This section compares his stats with all batting seasons from the previous three seasons (minimum 400 plate appearances)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity and Barrels/PA % are benchmarked against 2019 data (min 400 PA) and Hard Hit Rate is benchmarked against last season's data (min 400 PA). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • BB/K
    Walk to strikeout ratio
  • BB Rate
    The percentage of plate appearances resulting in a walk.
  • K Rate
    The percentage of plate appearances resulting in a strikeout.
  • BABIP
    Batting average on balls in play. Measures how many of a batter’s balls in play go for hits.
  • ISO
    Isolated Power. Slugging percentage minus batting average. A computation used to measure a batter's raw power.
  • AVG
    Batting average. Hits divided by at bats.
  • OBP
    On Base Percentage. A measure of how often a batters reaches base. Roughly equal to number of times on base divided by plate appearances.
  • SLG
    Slugging Percentage. A measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats.
  • OPS
    On base plus slugging. THe sum of a batter's on-base percentage and slugging percentage.
  • wOBA
    Weighted on-base average. Measures a player's overall offensive contributions per plate appearance. wOBA combines all the different aspects of hitting into one metric, weighting each of them in proportion to their actual run value.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Hard Hit Rate
    A measure of contact quality from Sports Info Solutions. This stat explains what percentage of batted balls were hit hard vs. medium or soft.
  • Barrels/PA
    The percentage of plate appearances where a batter had a batted ball classified as a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Expected BA
    Expected Batting Average.
  • Expected SLG
    Expected Slugging Percentage.
  • Sprint Speed
    The speed of a runner from home to first, in feet per second.
  • Ground Ball %
    The percentage of balls put in play that are on the ground.
  • Line Drive %
    The percentage of balls put in play that are line drives.
  • Fly Ball %
    The percentage of balls put in play that are fly balls.
BB/K
0.20
 
BB Rate
4.6%
 
K Rate
23.1%
 
BABIP
.333
 
ISO
.092
 
AVG
.265
 
OBP
.305
 
SLG
.357
 
OPS
.662
 
wOBA
.294
 
Exit Velocity
88.4 mph
 
Hard Hit Rate
28.6%
 
Barrels/PA
3.7%
 
Expected BA
.285
 
Expected SLG
.436
 
Sprint Speed
26.8 ft/sec
 
Ground Ball %
47.2%
 
Line Drive %
23.6%
 
Fly Ball %
29.2%
 
Advanced Batting Stats
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Additional Stats
Games By Position
Defensive Stats
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Batted Ball Stats
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Stats Vs Upcoming Pitchers
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Recent RotoWire Articles Featuring Christian Koss See More
Recent RotoWire Articles Featuring Christian Koss See More
More Fantasy News
Injures hamstring Monday
SSSan Francisco Giants
Hamstring
June 30, 2025
Koss suffered a left hamstring injury in Monday's 4-2 loss to the Diamondbacks and won't be available to play Tuesday, Justice delos Santos of The San Jose Mercury News reports.
Analysis
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Multi-hit effort in loss
SSSan Francisco Giants
June 30, 2025
Koss went 2-for-3 with a double, a run scored, a stolen base and a walk in Sunday's 5-2 loss to the White Sox.
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Getting sixth straight start
SSSan Francisco Giants
June 29, 2025
Koss will start at third base and bat seventh in Sunday's game against the White Sox.
Analysis
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Logs RBI in loss
SSSan Francisco Giants
June 26, 2025
Koss went 0-for-3 with an RBI and a run scored in Wednesday's 8-5 extra-inning loss to the Marlins.
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Lifts second homer
SSSan Francisco Giants
June 24, 2025
Koss went 1-for-3 with a two-run home run in Tuesday's 4-2 loss to the Marlins.
Analysis
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