Page Information
Current Status
Missing Status
High Level
Proper Name
Koji Uehara
Stat Years
1999-2018  [mlb] 2009-2017
Height/Weight
6-2 / 187
Bats/Throws
Right / Right
Positions
P (444)
Draft Position
P
Born Date/Place
1975-04-03 in Osaka, Japan   [44.291]
Death
High School
Tokai University Gyosei (Osaka,Japan)
Colleges
Draft
Signed as undrafted free agent by the in 2009
Bonus
Signing Scouts
MLB Debut
2009-04-08 - Boxscore  (Age: 34.005)
Service Time
9.000 (2017)
Organizations
BOS [4] BAL [3] TEX [2] CHN [1]
ID Numbers
tbc id: 53879 ... retro id: uehak001 ... mlbam id: 493157
Relations
Pitch Repertoire
TBC Apps
Active Talent RatingsPitchingStrikeouts88Walks89Hittable81SO/BB96vsPower81Hitting0Durability65Team.506Ratings Explained
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Career Pitching Statistics

top csv share Sort Research Applications: MLB Stats | Minor Stats | College Stats | Draft Research
  • Grid Filters
  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • College
  • Indy/Intl/+
  • YearTeam NameLgLvlOrgUnifAgeExpDetailWLERAGGSCGSHOGFGRSVIPHRERHRBBSOWPBKHBWHIPH9HR9BB9SO9RA9SO BBWPCT
    1999Yomiuri---Intl----241---2042.09250121000197.2153494612241790000.906.970.551.098.152.237.46.833
    1999Intl TotalsbyYearIntl----241---2042.102501210250197.7153494612241790000.906.980.551.108.172.247.46.833
    2000Yomiuri---Intl----252---973.5720061000131.0112535220221260001.027.691.371.518.663.645.73.563
    2000Intl TotalsbyYearIntl----251---973.57200610200131.0112535220221260001.027.691.371.518.663.645.73.563
    2002Yomiuri---Intl----273---1752.6026083000204.0173655918231820000.967.630.791.018.032.877.91.773
    2002Intl TotalsbyYearIntl----271---1752.60260830260204.0173655918231820000.967.630.791.018.032.877.91.773
    2003Yomiuri---Intl----284---1653.17270111000207.1190767328231940001.038.251.221.008.423.308.43.762
    2003Intl TotalsbyYearIntl----281---1653.172701110270207.3190767328231940001.038.261.221.008.433.308.43.762
    2004Yomiuri---Intl----295---1352.6022020000163.0135544724231530000.977.451.331.278.452.986.65.722
    2004Intl TotalsbyYearIntl----291---1352.60220200220163.0135544724231530000.977.451.331.278.452.986.65.722
    2005Yomiuri---Intl----306---9123.3127062000187.1164736924221450100.997.881.151.066.973.516.59.429
    2005Intl TotalsbyYearIntl----301---9123.32270620270187.3164736924221450100.997.891.151.066.973.516.59.429
    2006Yomiuri---Intl---19317---893.2124050000168.1157676024211510111.068.391.281.128.073.587.19.471
    2006Intl TotalsbyYearIntl----311---893.21240500240168.3157676024211510111.068.411.281.128.083.597.19.471
    2007Yomiuri Giants---Intl----328---431.7455000003262.047121244661000.826.820.580.589.581.7416.50.571
    2007Intl TotalsbyYearIntl----321---431.74550000553262.047121244661000.826.820.580.589.581.7416.50.571
    2008Yomiuri Giants---Intl----339---653.81261220014189.29043381116720001.189.031.101.617.234.324.50.545
    2008Intl TotalsbyYearIntl----331---653.83261220014189.79043381116720001.199.081.111.617.264.344.50.545
    2009Baltimore OriolesALMLBbal193410Log - Sp - Ext - Perf244.0512120000066.2713330712480001.249.580.941.626.484.454.00.333
    2009MLB Totals: BALbyYearMLB----341Log - Sp - Ext - Perf244.0812120000066.7713330712480001.259.650.951.636.534.494.00.333
    2010Bowie BaysoxEastAAbal-3511---000.0022000002.01000110001.004.500.004.504.500.001.00.000
    2010Norfolk TidesILAAAbal-3511---000.0020000202.02000010001.009.000.000.004.500.000.00.000
    2010Baltimore OriolesALMLBbal193511Log - Sp - Ext - Perf122.864300022431344.037151455551000.957.571.021.0211.253.0711.00.333
    2010Minor Totals: BALbyYearAAA/AA----352---000.0042000204.03000120001.006.750.002.254.500.002.00.000
    2010MLB Totals: BALbyYearMLB----351Log - Sp - Ext - Perf122.864300022431344.037151455551000.957.571.021.0211.253.0711.00.333
    2011Baltimore OriolesALMLBbal193612Log - Sp - Ext - Perf111.72430001943047.0259968620000.704.791.151.5311.871.727.75.500
    2011Texas RangersALMLBtex193612Log - Sp - Ext - Perf124.0022000322018.0138851230000.786.502.500.5011.504.0023.00.333
    2011MLB Totals: BAL-TEXbyYearMLB----362Log - Sp - Ext - Perf232.35650002265065.0381717119850000.725.261.521.2511.772.359.44.400
    2012Round Rock ExpressPCLAAAtex-3713---000.0030000303.03000040001.009.000.000.0012.000.000.00.000
    2012Texas RangersALMLBtex193713Log - Sp - Ext - Perf001.75370001337136.0207743431000.645.001.000.7510.751.7514.33.000
    2012Minor Totals: TEXbyYearAAA----371---000.0030000303.03000040001.009.000.000.0012.000.002.00.000
    2012MLB Totals: TEXbyYearMLB----371Log - Sp - Ext - Perf001.75370001337136.0207743431000.645.001.000.7510.751.7514.33.000
    2013Boston Red SoxALMLBbos193814Log - Sp - Ext - Perf411.097300040732174.133109591011010.574.000.611.0912.231.2111.22.800
    2013MLB Totals: BOSbyYearMLB----381Log - Sp - Ext - Perf411.097300040732174.333109591011010.574.010.611.0912.271.2111.22.800
    2014Boston Red SoxALMLBbos193915Log - Sp - Ext - Perf652.526400050642664.1511818108801010.927.131.401.1211.192.5210.00.545
    2014MLB Totals: BOSbyYearMLB----391Log - Sp - Ext - Perf652.536400050642664.3511818108801010.927.161.401.1211.232.5310.00.545
    2015Greenville DriveSALAbos194016---009.0010000101.03110010003.0027.000.000.009.009.000.00.000
    2015Boston Red SoxALMLBbos194016Log - Sp - Ext - Perf242.234300038432540.128141039474000.926.250.672.0110.493.125.22.333
    2015Minor Totals: BOSbyYearA----401---009.0010000101.03110010003.0027.000.000.009.009.002.00.000
    2015MLB Totals: BOSbyYearMLB----401Log - Sp - Ext - Perf242.244300038432540.328141039474000.926.280.672.0210.553.145.22.333
    2016Boston Red SoxALMLBbos194117Log - Sp - Ext - Perf233.45500001250747.0341818811631020.966.511.532.1112.063.455.73.400
    2016MLB Totals: BOSbyYearMLB----411Log - Sp - Ext - Perf233.45500001250747.0341818811631020.966.511.532.1112.063.455.73.400
    2017Chicago CubsNLMLBchn194218Log - Sp - Ext - Perf343.98490001049243.0382119712500001.167.951.472.5110.474.404.17.429
    2017MLB Totals: CHNbyYearMLB----421Log - Sp - Ext - Perf343.98490001049243.0382119712500001.167.951.472.5110.474.404.17.429
    2018Yomiuri Giants---Intl------4319---053.6336000036034.232141455240021.078.311.301.306.233.634.80.000
    2018Intl TotalsbyYearIntl----431---053.6836000036034.732141455240021.088.421.321.326.323.684.80.000
    MLB Totals (10 yrs)22262.66436120020742495480.735015314260785729040.896.561.121.4610.722.877.33.458
    American League Totals (9 yrs)19222.53387120019737593437.731213212353665229040.866.421.091.3610.752.727.91.463
    National League Totals (1 yrs)343.98490001049243.0382119712500001.167.951.472.5110.474.404.17.429
    Minor League Totals001.1382000608.09110170001.2510.130.001.137.881.137.00.000
    Minor: Intl Totals102602.93288125280276331,445.0125350647017018312921230.997.801.061.148.053.157.06.630
    Minor: A Totals009.0010000101.03110010003.0027.000.000.009.009.002.00.000
    Minor: AA Totals000.0022000002.01000110001.004.500.004.504.500.001.00.000
    Minor: AAA Totals000.0050000505.05000050001.009.000.000.009.000.002.00.000
    Boston Red Sox Totals (4 yrs)14132.1923000014023079226.0146605526372917040.815.811.041.4711.592.397.86.519
    Baltimore Orioles Totals (3 yrs)473.03981200418613157.7133575318251651001.017.611.031.439.453.266.60.364
    Texas Rangers Totals (2 yrs)122.50590001659154.033151594661000.695.501.500.6711.002.5016.50.333
    Chicago Cubs Totals (1 yrs)343.98490001049243.0382119712500001.167.951.472.5110.474.404.17.429
    Glossary:
    Year Context-dependent but usually self-evident. (Season, Draft Year etc) Team Name Contextual to the grid but usually self-evident. Draft = Drafted team. Lg League Org Major League Parent Organization. For college teams, might include RPI (Ratings Percentage Index) Unif Uniform Number, if available Age Player's age for the selected season or as of a current date if in YY.DDD format. Exp Experience in # of years. For Player stats, refers to nth PRO season. Count is ontextual to the purpose of the grid Detail Includes links to additional MLB stat detail including Game Logs, Splits and Extended Statistics W Wins (Pitcher or Team) L Losses (Pitcher or Team) ERA Earned Run Average ( (9/IP)*ER ) G Games Played (or Pitched) GS Games Started CG Complete Games SHO Shutouts GF Games Finished GR Games Relieved SV Saves IP Innings Pitched H Hits R Runs ER Earned Runs HR Home Runs BB Walks SO Strikeouts WP Wild Pitches BK Balks HB Hit Batsmen from pitcher perspective WHIP Walks and Hits per Inning Pitched ( (H+BB) / IP ) H9 Hits allowed per 9 innings ( (9/IP) * H ) HR9 Home Runs allowed per 9 innings ( (9/IP) * HR ) BB9 Walks per 9 innings ( (9/IP) * BB ) SO9 Strikeouts per 9 innings ( (9/IP) * SO ) RA9 Runs Against per 9 innings ( (9/IP) * R ) SO BB Strikeouts to Walk ratio ( SO/BB ) WPct Winning Percentage (W/(W+L))

    Career Batting Statistics

    top csv share Sort Research Applications: MLB Stats | Minor Stats | College Stats | Draft Research
  • Grid Filters
  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • College
  • Indy/Intl/+
  • YearTeam NameLgLvlOrgUnifAgePosDetailExpGABRH2B3BHRRBISBCSBBSOHPSHSFIWDPAVGOBPSLGOPSPATBXBHsecAISObabipBB%SO%SOBBABHRHR%XBH%
    2002Yomiuri---Intl----27p---1266921360080011909102.188.197.275.47280196.101.087.2551.2523.7519.000.00.0046.2
    2003Yomiuri---Intl----28p---2287331220140012007002.164.176.233.40981173.082.069.2121.2324.6920.0073.01.2325.0
    2004Yomiuri---Intl----29p---3225831410050022200003.241.267.259.52660151.000.018.0003.3336.6711.000.00.007.1
    2006Yomiuri---Intl---1931p---4254841110040021307001.229.260.250.51057121.063.021.3143.5122.816.500.00.009.1
    2007Yomiuri Giants---Intl----32p---5553000000000300000.000.000.000.000300.000.000.0000.00100.000.000.00.000.0
    2008Yomiuri Giants---Intl----33p---62623030000000504003.130.130.130.2602730.000.000.1670.0018.520.000.00.000.0
    2009Baltimore OriolesALMLBbal1934pL-S-E-P722000000001100000.000.333.000.333300.500.000.00033.3333.331.000.00.000.0
    2013Boston Red SoxALMLBbos1938pL-S-E-P8730000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    2016Boston Red SoxALMLBbos1941pL-S-E-P930000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    2017Chicago CubsNLMLBchn1942pL-S-E-P10450000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    MLB Totals (4 yrs)1232000000001100000.000.333.000.333300.500.000.00033.3333.331.000.00.000.0
    American League Totals (3 yrs)782000000001100000.000.333.000.333300.500.000.00033.3333.331.000.00.000.0
    National League Totals (1 yrs)450000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    Minor: Intl Totals1822741253100121006820271011.193.210.241.4513086611.069.048.2711.9526.6213.67274.00.3220.8
    Boston Red Sox Totals (2 yrs)760000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    Chicago Cubs Totals (1 yrs)450000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    Baltimore Orioles Totals (1 yrs)22000000001100000.000.333.000.333300.500.000.00033.3333.331.000.00.000.0
    Glossary:
    Year Context-dependent but usually self-evident. (Season, Draft Year etc) Team Name Contextual to the grid but usually self-evident. Draft = Drafted team. Lg League Org Major League Parent Organization. For college teams, might include RPI (Ratings Percentage Index) Unif Uniform Number, if available Age Player's age for the selected season or as of a current date if in YY.DDD format. Pos Defensive Position Detail Includes links to additional MLB stat detail including Game Logs, Splits and Extended Statistics Exp Experience in # of years. For Player stats, refers to nth PRO season. Count is ontextual to the purpose of the grid G Games Played (or Pitched) AB At Bats R Runs H Hits 2B Doubles 3B Triples HR Home Runs RBI Runs Batted In SB Stolen Bases (Total) CS Caught Stealings BB Walks SO Strikeouts HP Hit by Pitch SH Sacrifice Hits SF Sacrifice Flies IW Intentional Walks DP Grounded into Double Play (Offense) Double Plays Participation (Defense) AVG Batting Average ( H/AB ) OBP On Base Percentage ( H+BB+HBP / (AB+BB+HBP+SF) SLG Slugging Percentage ( TB / AB ) OPS On Base Plus Slugging (OBP + SLG) PA Plate Appearances TB Total Bases (Singles + (2*Doubles) + (3*Triples) + (4*Home Runs)) XBH Extra Base Hits (Doubles+Triples+Home Runs) secA Seconday Average. Measures extra bases earned by player (BB+(TB-H)+(SB-CS) / AB ISO Isolated Power. Measures the portion of a slugging percentage that is for extra base hits. (SLG-BAVG). babip Batting Average on Balls Put in Play. (H/(AB-SO)) XBH% Extra Base Hit Percentage (XBH/H)

    Career Fielding Statistics

    top csv share Sort Research Applications: MLB Stats | Minor Stats | College Stats | Draft Research
  • Grid Filters
  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • YearTeam NameLgLvlAgepositGGSINNPOAEDPTCTSCFPCTRFGRFITeam SharePlayer ShareTeam Rank
    2009Baltimore OriolesALMLB34P121266.20501551.0000.400.087.4100.017
    2010Bowie BaysoxEastAA35P200.0000000.0000.000.001.4100.027
    2010Norfolk TidesILAAA35P200.0000000.0000.000.001.4100.025
    2010BaltimoreALMLB35P43044.02300551.0000.100.1126.5100.05
    2011BaltimoreALMLB36p43047.01200331.0000.100.0626.5100.04
    2011TexasALMLB36p22018.01200331.0000.100.1713.6100.012
    2012Round Rock ExpressPCLAAA37P300.0000000.0000.000.002.1100.023
    2012TexasALMLB37P37036.0411065.8330.100.1422.8100.06
    2013BostonALMLB38P73074.12700991.0000.100.1245.1100.01
    2014BostonALMLB39P64064.1370010101.0000.200.1639.5100.03
    2015Greenville DriveSALA40P100.0000000.0000.000.000.7100.022
    2015BostonALMLB40P43040.12200441.0000.100.1026.5100.06
    2016BostonALMLB41P50047.0141065.8330.100.1130.9100.05
    2017Chi CubsNLMLB42P49043.00500551.0000.100.1230.2100.07
    MLB Totals - (p)436124801638215654.9640.100.110.00.00
    AAA Totals - (P)500000000.0000.000.000.00.00
    AA Totals - (P)200000000.0000.000.000.00.00
    A Totals - (P)100000000.0000.000.000.00.00
    Glossary:
    Year Context-dependent but usually self-evident. (Season, Draft Year etc) Team Name Contextual to the grid but usually self-evident. Draft = Drafted team. Lg League Age Player's age for the selected season or as of a current date if in YY.DDD format. G Games Played (or Pitched) GS Games Started Inn Innings in a game or Innings played at position PO Putouts A Fielding assists E Errors DP Grounded into Double Play (Offense) Double Plays Participation (Defense) TC Total Chances (PO+A+E) TSC Total Successful Chances (PO+A) FPCT Fielding Percentage (TSC/TC) RFg Range Factor by Game (Total Successful Chances/Games) Rfi Range Factor by Inning (Total Successful Chances/Innings) Team Share Share of team's games played at that position. Will add up to more than 100% since the formula is player games at position / team games. Player Share Share of player's games played at that position Team Rank Rank of games for team at that position.

    Fielding Positional Grid by Year

    top csv share Sort Research Applications: MLB Stats | Minor Stats | College Stats | Draft Research
    YearCategoryPC1B2B3BSSLFCFRFOFDH
    2009MLB12----------
    2010MLB43----------
    2010Minor4----------
    2011MLB65----------
    2012MLB37----------
    2012Minor3----------
    2013MLB73----------
    2014MLB64----------
    2015MLB43----------
    2015Minor1----------
    2016MLB50----------
    2017MLB49----------
    Totals444----------