Christian Koss

Active on MLB Roster | San Francisco Giants
High Level
MLB
Years
2017-2025 (2025-2025)
Proper Name
Christian Koss
Positions
SS (314) ... 2B (117) ... 3B (65) ... CF (6) ... LF (5) ... RF (4) ... P (4) ... DH (3)
Height / Weight
6-1 / 186
Bats / Throws
Right / Right
Birthdate
January 27,1998   Age:  27.354
High School
J.W North (Riverside,CA)
Drafted/Signed
Signing Bonus
$ 180,000
Service Time
1.000 (2025)
MLB Debut
MLBAM ID
Retrosheet#
kossc001
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Prospect Rankings

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yearsourcetypeteamrankview rankings
2020Baseball AmericaTeamColorado Rockies25View Rankings
2020FanGraphsTeamColorado Rockies27View Rankings
2022Baseball AmericaTeamBoston Red Sox26View Rankings
2022MLB PipelineTeamBoston Red Sox27View Rankings
4 record(s)
Prospect rankings are available since 1990 and are based on pre-season rankings from various ranking sites.

Scouting Grades

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Player 20-80 scouting grades are available to TBC PREMIUM subscribers
1 record(s)

Batting Statistics

CSV
Glossary
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yearteam nameleaguelevelmlb#agepostbc+gabrh2b3bhrrbisbcsbbsohbpshsfibbgdptbpaxbh1bavgobpslgopssecaisobabipbb%so%so/bbab/hr
2017UC IrvineBigWestNCAA-1Fr2719SS67401221422310200112242830427147418.180.259.221.480.131.041.2188.1616.332.000.00
2018UC IrvineBigWestNCAA-1So2720SS995219525569311742144448301742241343.287.343.379.722.174.092.3596.2519.643.14195.00
2019UC IrvineBigWestNCAA-1Jr2721SS118542024562125530112255184406992432240.307.397.490.887.351.183.38010.2920.992.0440.40
2019Grand Junction RockiesPioRkCOL36213B-2B13553190456311411511043543733101152382637.332.447.6051.052.489.273.37414.7118.071.2317.27
2021Greenville DriveSAL2A+BOS823SS10310442865116187155510431100504041934684076.271.325.451.776.266.180.3196.6221.373.2328.53
2022Portland Sea DogsEast2AABOS5424SS100125488691272251784165251371206272105314483.260.309.430.739.244.170.3244.7125.805.4828.71
2023FCL Red SoxFCLRkBOS7725SS-2B724471013211600000112525.292.320.458.778.250.166.3534.0024.006.0024.00
2023Portland Sea DogsEast2AABOS5425SS-2B89*38134183071210111103312002451471020.224.283.336.619.261.112.2836.8022.453.3067.00
2023Worcester Red SoxIL2AAABOS12,4125SS-2B80*341141327811102152631103401241017.237.285.351.636.167.114.2954.0320.975.20114.00
2024ACL Giants BlackACLRkSFN8026SS924572027206200100153143.292.419.6251.044.667.333.23819.356.450.3312.00
2024Richmond Flying SquirrelsEast2AASFN626SS151*258316321212216110121110152961517.386.453.6271.080.422.241.42910.4212.501.2041.50
2024Sacramento River CatsPCL2AAASFN1526SS9554171324410151950144564205711971628.257.332.415.747.269.158.3177.1122.843.2134.20
2025ACL Giants BlackACLRkSFN1427SS132200010000000002302.667.667.6671.334.000.000.6670.000.000.000.00
2025Sacramento River CatsPCL2AAASFN17,627SS627382015010600000132735.296.296.481.777.148.185.3500.0022.220.0027.00
2025San Francisco GiantsNLMLBSFN5027SS95*741742546903234194533204641911234.264.309.368.677.172.104.3364.7123.565.0058.00
Tot:MLB (1 yrs) MLB     741742546903234194533204641911234.264.309.368.676.172.103.3364.7123.565.0058.00
Tot:NL (1 yrs) NL     741742546903234194533204641911234.264.309.368.676.172.103.3364.7123.565.0058.00
Tot:Minors (6 yrs) Minors     456168627246393205726664181374103511183227671887170293.275.338.455.793.289.180.3287.2621.732.9929.58
Tot:Rk (4 yrs) Rk     70241567914414621454251734101432973247.328.435.5931.029.477.266.36114.1417.171.2117.21
Tot:A+ (1 yrs) A+     10442865116187155510431100504041934684076.271.325.451.776.266.180.3196.6221.373.2328.53
Tot:AA (3 yrs) AA     1887051031894172111533745182143721030777469120.268.322.435.757.268.167.3305.8123.514.0433.57
Tot:AAA (3 yrs) AAA     943124879202734721977953081243482950.253.312.397.709.221.144.3125.4622.134.0544.57
Tot:College (3 yrs) College     146519841402496671555111914201001120061439101.270.345.385.730.233.116.3328.3119.382.3386.50
Avg:MLB - 162 game avg MLB     162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
Avg:Minors - 162 game avg College     162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
Avg:College - 162 game avg College     162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
TBC+ Metric is based on wOBA with inclusion of stolen base value. TBC's version of wOBA excludes park factors and uses static coefficients across all levels and years for ease of implementation.
* indicates player had a low sample size of plate appearances.

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Other Batting Statistics

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Glossary
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yearteam nameleaguecategoryagegabrh2b3bhrrbisbcsbbsohbpshsfibbgdptbpaxbh1bavgobpslgopssecaisobabipbb%so%so/bbab/hr
2016Yakima Valley PippinsWest Coast LeagueCollege Summer1845180285592122121133447202712061243.306.362.394.756.222.088.3676.3116.502.62180.00
2017Yarmouth-Dennis Red SoxCape Cod LeagueCollege Summer1935941329401104315240300436112524.309.404.383.787.245.074.40613.3921.431.6094.00
2018Yarmouth-Dennis Red Sox Cape Cod LeagueCollege Summer20361142130311181212210140238131525.263.323.333.656.167.070.3029.1616.031.75114.00
2021Scottsdale ScorpionsArizona Fall LeagueAFL23144841110062038000001251110.229.275.250.525.125.021.2755.8815.692.670.00
2022PortlandMinor PlayoffsMinor_Playoffs24282400020002001004904.500.444.500.944.000.000.5710.0022.220.000.00
2022Boston Red SoxMLB Spring TrainingSpring2471243002300150000091321.250.308.7501.058.583.500.2007.6938.465.006.00
2023Boston Red SoxMLB Spring TrainingSpring25132132100200180000032211.095.136.143.279.095.048.1544.5536.368.000.00
2024Boston Red SoxMLB Spring TrainingSpring26761300000022000003803.500.625.5001.125.333.000.75025.0025.001.000.00
2025San Francisco GiantsMLB Spring TrainingSpring27284112144015125710000214759.341.426.512.938.268.171.39410.6414.891.4041.00
Tot:CollegeSummer (3 Yrs) CollegeSummer 1163886211416335017640794116081454492292.294.361.374.734.211.080.3568.9117.591.98129.33
Tot:AFL (1 Yrs) AFL 144841110062038000001251110.229.275.250.525.125.021.2755.8815.692.67
Tot:Minor_Playoffs (1 Yrs) Minor_Playoffs 282400020002001004904.500.444.500.944.000.000.5710.0022.22
Tot:Spring (4 Yrs) Spring 558020225031012922100003690814.275.356.450.806.275.175.34510.0024.442.4426.67

Pitching Statistics

CSV
Glossary
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yearteam nameleaguelevelmlb#agewleraggscgshogrgfsviphrerhrbbsowpbkhbwhiph9hr9bb9so9ra9so/bb
2025San Francisco GiantsNLMLBSFN5027000.0040004404.04000000001.009.000.000.000.000.000.00
Tot:MLB (1 yrs) MLB   000.0040004404.04000000001.009.000.000.000.000.00
Tot:NL (1 yrs) NL   000.0040004404.04000000001.009.000.000.000.000.00
Avg:MLB - 162 Inning avg MLB   ðŸ”’🔒🔒🔒🔒🔒🔒🔒🔒🔒162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
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Talent Ratings

About Talent Ratings
SpeedPowerContactXtraRbisRunsHittingDurabilityTeam Success
6866616460657180.557