StatGrades
NFLCFBNBANHLMLB
← San Francisco Giants

Christian Koss

San Francisco GiantsSFSan Francisco Giants

SS · #50 · Bats R · Throws R · 6'1" · 185 lb · Age 28 · 2 yrs in MLB

2026 hitting grade

9.0

2026 pitching grade

27.8
Runs above average
−10.1
AVG / OBP / SLG
.217/.257/.305
HR · SB
4 · 5
Rank
221 PA: not qualified
Runs prevented
−0.3
IP · ERA
2.0 · 13.50
K · BB
0 · 0
Rank
Not qualified

What the hitting grade is made of

Runs each part adds or takes away against an average hitter in the same plate appearances: his count against what an average hitter would have had. The grade then counts how much he plays: these runs per game his team has played.

  • Home runs−3.5
  • Outs, strikeouts included−3.5
  • Walks−3.1
  • Doubles−2.1
  • Singles+1.6
  • Triples−0.8
  • Stolen bases+0.8
  • Parks played in+0.7
  • Hit by pitch−0.2

What the pitching grade is made of

Runs each part saves or costs against an average pitcher facing the same batters. Contact counts a quarter for how it turned out, because over a season that's mostly the fielders and luck.

  • Strikeouts−0.6
  • Home runs allowed+0.4
  • Contact allowed (how it turned out counts a quarter)−0.3
  • Walks+0.3
  • Parks pitched in−0.1

2026 game log: hitting

Game grades need 3 plate appearances.

GameResultABRHRBIHRBBKSBGrade
Sun, Sep 27vsLos Angeles DodgersLADLADL 1-54000003014.9
Sat, Sep 26vsLos Angeles DodgersLADLADL 3-44000002014.7
Fri, Sep 25vsLos Angeles DodgersLADLADL 0-22000002029.5
Wed, Sep 23vsMinnesota TwinsMINMINL 2-43000002023.7
Tue, Sep 22vsMinnesota TwinsMINMINL 2-33010001055.1
Mon, Sep 21vsMinnesota TwinsMINMINW 5-23110001064.0
Sun, Sep 20@Los Angeles DodgersLADLADL 1-33000002022.0
Sat, Sep 19@Los Angeles DodgersLADLADL 4-103000000021.8
Fri, Sep 18@Los Angeles DodgersLADLADL 2-83000002021.8
Wed, Sep 16@St. Louis CardinalsSTLSTLW 6-54110001041.8
Tue, Sep 15@St. Louis CardinalsSTLSTLW 10-35032000084.9
Mon, Sep 14@St. Louis CardinalsSTLSTLL 1-2400000209.6
Sun, Sep 13vsSan Diego PadresSDSDL 4-64121001282.4
Sat, Sep 12vsSan Diego PadresSDSDL 6-73110000055.1
Fri, Sep 11vsSan Diego PadresSDSDL 5-71100020070.6
Wed, Sep 9vsSt. Louis CardinalsSTLSTLW 7-63020000183.5
Tue, Sep 8vsSt. Louis CardinalsSTLSTLW 2-13121101094.9
Mon, Sep 7vsSt. Louis CardinalsSTLSTLW 5-43110010067.8
Sun, Sep 6@New York MetsNYMNYML 2-43000000022.5
Sat, Sep 5@New York MetsNYMNYMW 9-54223200098.5
Fri, Sep 4@New York MetsNYMNYML 6-103210011067.1
Thu, Sep 3@Pittsburgh PiratesPITPITL 2-53000000018.6
Wed, Sep 2@Pittsburgh PiratesPITPITW 5-44210000038.8
Tue, Sep 1@Pittsburgh PiratesPITPITL 12-135221001061.2
Mon, Aug 31@Atlanta BravesATLATLW 7-33000001020.7
Sat, Aug 29vsArizona DiamondbacksARIARIW 7-23000001023.7
Sat, Aug 29vsArizona DiamondbacksARIARIL 1-73000003023.7
Fri, Aug 28vsArizona DiamondbacksARIARIL 6-103112101084.5
Thu, Aug 27vsArizona DiamondbacksARIARIW 6-12100002049.4
Wed, Aug 26vsCincinnati RedsCINCINL 9-104110002045.9
Tue, Aug 25vsCincinnati RedsCINCINW 3-12000010048.8
Mon, Aug 24vsCincinnati RedsCINCINW 5-03120001080.3
Sun, Aug 23@Boston Red SoxBOSBOSL 4-53110000051.6
Sat, Aug 22@Boston Red SoxBOSBOSL 2-3400000104.8
Fri, Aug 21@Boston Red SoxBOSBOSL 4-64220001079.9
Thu, Aug 20@Cleveland GuardiansCLECLEL 2-52000021060.5
Wed, Aug 19@Cleveland GuardiansCLECLEW 1-03000002019.9
Tue, Aug 18@Cleveland GuardiansCLECLEL 1-83010001063.5
Sun, Aug 16vsColorado RockiesCOLCOLL 7-134010002046.0
Sat, Aug 15vsColorado RockiesCOLCOLW 7-14110002046.0
Fri, Aug 14vsColorado RockiesCOLCOLL 2-53010000064.1
Wed, Aug 12vsHouston AstrosHOUHOUL 1-24020001177.0
Tue, Aug 11vsHouston AstrosHOUHOUW 4-14011001057.3
Mon, Aug 10vsHouston AstrosHOUHOUL 3-64010000045.5
Sun, Aug 9vsDetroit TigersDETDETL 1-34010001045.5
Sat, Aug 8vsDetroit TigersDETDETL 0-83000001023.4
Fri, Aug 7vsDetroit TigersDETDETW 5-23000002023.4
Tue, Aug 4@Texas RangersTEXTEXL 4-520000000–
Mon, Aug 3@Texas RangersTEXTEXW 5-14010002044.3
Sun, Aug 2@San Diego PadresSDSDL 4-510000010–
Sat, Aug 1@San Diego PadresSDSDL 5-63000001022.8
Fri, Jul 31@San Diego PadresSDSDL 0-73010000054.9
Thu, Jul 30@San Diego PadresSDSDW 4-14010001044.7
Wed, Jul 29vsMilwaukee BrewersMILMILW 16-35321000062.7
Tue, Jul 28vsMilwaukee BrewersMILMILL 2-83000002023.1
Mon, Jul 27vsMilwaukee BrewersMILMILW 3-02000011157.0
Sat, Jul 25vsLos Angeles AngelsLAALAAW 9-200000000–
Tue, Jul 21@Kansas City RoyalsKCKCL 2-32010010074.3
Sat, Jul 18@Seattle MarinersSEASEAL 3-400000000–
Fri, Jul 3@Colorado RockiesCOLCOLL 3-1510000000–
Wed, Jul 1@Arizona DiamondbacksARIARIW 6-44010000039.1
Sun, May 10vsPittsburgh PiratesPITPITW 7-611000000–
Sat, May 9vsPittsburgh PiratesPITPITL 3-1300000000–
Tue, May 5vsSan Diego PadresSDSDL 5-1010000010–
Sun, Apr 26vsMiami MarlinsMIAMIAW 6-34000001015.2
Fri, Apr 24vsMiami MarlinsMIAMIAL 4-910000000–
Sun, Apr 12@Baltimore OriolesBALBALL 2-63000000021.9
Sat, Apr 11@Baltimore OriolesBALBALL 2-610100000–
Wed, Apr 8vsPhiladelphia PhilliesPHIPHIW 5-03000000023.5
Tue, Mar 31@San Diego PadresSDSDW 9-300000000–

2026 game log: pitching

Game grades need 3 batters faced; starts are ranked against starts, relief outings against relief outings.

GameResultDecIPHRERBBKHRPCGrade
Sat, May 9vsPittsburgh PiratesPITPITL 3-131.0533000192.0
Sat, Apr 4vsNew York MetsNYMNYML 0-91.0000000971.9

Scores, box scores and play-by-play from ESPN. The run values and park factors behind the grades were worked out from Retrosheet's play-by-play: the information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at www.retrosheet.org.