Page Information
Current Status
High Level
Proper Name
Guillermo Hernandez Villanueva
Stat Years
1977-1995  [mlb] 1977-1989
Height/Weight
6-3 / 180
Bats/Throws
Left / Left
Positions
P (792)
Draft Position
P
Born Date/Place
High School
None listed
Colleges
Draft
Signed as undrafted free agent by the Philadelphia Phillies in 1973
Bonus
Signing Scouts
Ruben Amaro Sr
MLB Debut
1977-04-09 - Boxscore  (Age: 22.146)
Service Time
Organizations
CHN [7] DET [6] PHI [1] NYA [1] TOR [1]
ID Numbers
tbc id: 12732 ... retro id: hernw001 ... mlbam id: 115822
Relations
Pitch Repertoire
TBC Apps
Career Talent RatingsPitchingStrikeouts73Walks54Hittable54SO/BB68vsPower54Hitting13Durability75Team.491Ratings Explained
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Career Pitching Statistics

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  • YearTeam NameLgLvlOrgUnifAgeExpDetailWLERAGGSCGSHOGFGRSVIPHRERHRBBSOWPBKHBWHIPH9HR9BB9SO9RA9SO BBWPCT
    1977Chicago CubsNLMLBchn38221Log - Sp - Ext - Perf873.036710023664110.09442371128788311.117.690.902.296.383.442.79.533
    1977MLB Totals: CHNbyYearMLB----221Log - Sp - Ext - Perf873.036710023664110.09442371128788311.117.690.902.296.383.442.79.533
    1978Chicago CubsNLMLBchn38232Log - Sp - Ext - Perf823.77540002154359.2572625635383011.548.600.915.285.733.921.09.800
    1978MLB Totals: CHNbyYearMLB----231Log - Sp - Ext - Perf823.80540002154359.7572625635383011.558.670.915.325.783.951.09.800
    1979Chicago CubsNLMLBchn38243Log - Sp - Ext - Perf445.01512001949079.0855044839533141.579.680.914.446.045.701.36.500
    1979MLB Totals: CHNbyYearMLB----241Log - Sp - Ext - Perf445.01512001949079.0855044839533141.579.680.914.446.045.701.36.500
    1980Chicago CubsNLMLBchn38254Log - Sp - Ext - Perf194.405370013460108.11155853845756121.489.550.663.746.234.821.67.100
    1980MLB Totals: CHNbyYearMLB----251Log - Sp - Ext - Perf194.415370013460108.31155853845756121.489.570.673.756.244.831.67.100
    1981Iowa OaksAmerAAAchn-265---453.8918820010274.0843932527412001.5010.220.613.284.994.741.52.444
    1981Chicago CubsNLMLBchn38265Log - Sp - Ext - Perf003.9512000312213.2147608132001.619.220.005.278.564.611.63.000
    1981Minor Totals: CHNbyYearAAA----261---453.8918820010274.0843932527412001.5010.220.613.284.994.741.52.444
    1981MLB Totals: CHNbyYearMLB----261Log - Sp - Ext - Perf004.0912000312213.7147608132001.679.550.005.458.864.771.63.000
    1982Chicago CubsNLMLBchn38276Log - Sp - Ext - Perf463.007500030751075.0742625324540011.318.880.362.886.483.122.25.400
    1982MLB Totals: CHNbyYearMLB----271Log - Sp - Ext - Perf463.007500030751075.0742625324540011.318.880.362.886.483.122.25.400
    1983Chicago CubsNLMLBchn38287Log - Sp - Ext - Perf103.2011100410119.2168706180001.127.320.002.758.243.663.001.000
    1983Philadelphia PhilliesNLMLBphi48287Log - Sp - Ext - Perf843.29630002763795.2933935926755011.248.750.852.457.063.672.88.667
    1983MLB Totals: CHN-PHIbyYearMLB----282Log - Sp - Ext - Perf943.287410031738115.31094742932935011.238.520.702.507.273.682.91.692
    1984Detroit TigersALMLBdet21298Log - Sp - Ext - Perf931.9280000688032140.19630306361122040.946.160.382.317.181.923.11.750
    1984MLB Totals: DETbyYearMLB----291Log - Sp - Ext - Perf931.9380000688032140.39630306361122040.946.170.392.317.191.933.11.750
    1985Detroit TigersALMLBdet21309Log - Sp - Ext - Perf8102.7074000647431106.28238321314762010.906.921.101.186.413.215.43.444
    1985MLB Totals: DETbyYearMLB----301Log - Sp - Ext - Perf8102.7174000647431106.78238321314762010.906.951.101.196.443.225.43.444
    1986Detroit TigersALMLBdet213110Log - Sp - Ext - Perf873.556400053642488.28735351321772151.228.831.322.137.823.553.67.533
    1986MLB Totals: DETbyYearMLB----311Log - Sp - Ext - Perf873.576400053642488.78735351321772151.228.881.332.147.863.573.67.533
    1987Toledo Mud HensILAAAdet-3211---003.0020000203.04110120001.6712.000.003.006.003.002.00.000
    1987Detroit TigersALMLBdet213211Log - Sp - Ext - Perf343.67450003145849.0532720820301001.499.731.473.675.514.961.50.429
    1987Minor Totals: DETbyYearAAA----321---003.0020000203.04110120001.6712.000.003.006.003.002.00.000
    1987MLB Totals: DETbyYearMLB----321Log - Sp - Ext - Perf343.67450003145849.0532720820301001.499.731.473.675.514.961.50.429
    1988Detroit TigersALMLBdet213312Log - Sp - Ext - Perf653.066300038631067.2502423831593341.206.651.064.127.853.191.90.545
    1988MLB Totals: DETbyYearMLB----331Log - Sp - Ext - Perf653.086300038631067.7502423831593341.216.701.074.157.903.211.90.545
    1989Detroit TigersALMLBdet213413Log - Sp - Ext - Perf225.743200025321531.1362120416300111.6610.341.154.608.626.031.88.500
    1989MLB Totals: DETbyYearMLB----341Log - Sp - Ext - Perf225.793200025321531.3362120416300111.6710.421.164.638.686.081.88.500
    1991Syracuse ChiefsILAAAtor-3614---114.22800028010.210552490011.318.441.693.377.594.222.25.500
    1991Minor Totals: TORbyYearAAA----361---114.41800028010.710552490011.378.821.763.537.944.412.25.500
    1995Columbus ClippersILAAAnya-4015---217.67220001022027.0432423312162122.0414.331.004.005.338.001.33.667
    1995Minor Totals: NYAbyYearAAA----401---217.67220001022027.0432423312162122.0414.331.004.005.338.001.33.667
    MLB Totals (14 yrs)70633.3874411004197331471,044.7952431392973497883710251.258.210.843.016.793.712.26.526
    National League Totals (8 yrs)34323.72386110014037527561.054825623245211404275101.358.790.723.396.484.111.91.515
    American League Totals (6 yrs)36312.98358000279358120483.740417516052138384105151.127.520.972.577.153.262.78.537
    Minor League Totals774.815082012422114.714169611044684131.6211.110.793.475.365.441.55.500
    Minor: AAA Totals774.815082012422114.714169611044684131.6211.110.793.475.365.441.55.500
    Detroit Tigers Totals (6 yrs)36312.98358000279358120483.740417516052138384105151.127.520.972.577.153.262.78.537
    Chicago Cubs Totals (7 yrs)26283.81323110011331220465.34552171973618532922591.388.800.703.586.374.201.78.481
    Philadelphia Phillies Totals (1 yrs)843.31630002763795.7933935926755011.258.790.852.467.093.692.88.667
    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

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  • YearTeam NameLgLvlOrgUnifAgePosDetailExpGABRH2B3BHRRBISBCSBBSOHPSHSFIWDPAVGOBPSLGOPSPATBXBHsecAISObabipBB%SO%SOBBABHRHR%XBH%
    1977Chicago CubsNLMLBchn3822pL-S-E-P16716010000000903000.063.063.063.1261910.000.000.1430.0047.370.000.00.000.0
    1978Chicago CubsNLMLBchn3823pL-S-E-P2551100000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    1979Chicago CubsNLMLBchn3824pL-S-E-P3528021001000501000.250.250.375.625931.125.125.6670.0055.560.000.00.0050.0
    1980Chicago CubsNLMLBchn3825pL-S-E-P45319041001000701000.211.211.263.4742051.053.052.3330.0035.000.000.00.0025.0
    1982Chicago CubsNLMLBchn3827pL-S-E-P5753100000101301000.000.250.000.250500.667.000.00020.0060.003.000.00.000.0
    1983Chicago CubsNLMLBchn3828pL-S-E-P6112010000000000000.500.500.5001.000210.000.000.5000.000.000.000.00.000.0
    1983Philadelphia PhilliesNLMLBphi4828pL-S-E-P66313250001100500000.385.385.385.7701350.077.000.6250.0038.460.000.00.000.0
    1985Detroit TigersALMLBdet2130pL-S-E-P7741000000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    MLB Totals (8 yrs)4506341320032012906000.206.219.238.45770152.079.032.3821.4341.4329.000.00.0015.4
    National League Totals (7 yrs)3766241320032012906000.210.222.242.46469152.081.032.3941.4542.0329.000.00.0015.4
    American League Totals (1 yrs)741000000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    Chicago Cubs Totals (6 yrs)313492820021012406000.163.180.204.38456102.082.041.3201.7942.8624.000.00.0025.0
    Detroit Tigers Totals (1 yrs)741000000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    Philadelphia Phillies Totals (1 yrs)6313250001100500000.385.385.385.7701350.077.000.6250.0038.460.000.00.000.0
    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

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  • YearTeam NameLgLvlAgepositGGSINNPOAEDPTCTSCFPCTRFGRFITeam SharePlayer ShareTeam Rank
    1977Chicago CubsNLMLB22P670110.08270235351.0000.500.3241.4100.02
    1978Chicago CubsNLMLB23P54059.22120014141.0000.300.2433.398.23
    1979Chicago CubsNLMLB24P51079.0411101615.9380.300.1931.598.13
    1980Chicago CubsNLMLB25P530108.112200232321.0000.600.3032.7100.04
    1981Iowa OaksAmerAAA26P1800.03170120201.0001.100.0013.3100.010
    1981Chicago CubsNLMLB26P12013.20300331.0000.300.2311.7100.012
    1982Chicago CubsNLMLB27P75075.0522112827.9640.400.3646.3100.01
    1983Philadelphia PhilliesNLMLB28P63095.21130214141.0000.200.1538.9100.02
    1983Chicago CubsNLMLB28P11019.21401551.0000.500.266.8100.011
    1984Detroit TigersALMLB29P800140.15140119191.0000.200.1449.4100.01
    1985Detroit TigersALMLB30P740106.277101514.9330.200.1346.0100.01
    1986Detroit TigersALMLB31P64088.26130019191.0000.300.2239.5100.01
    1987Detroit TigersALMLB32P45049.0241176.8570.100.1227.8100.04
    1988Detroit TigersALMLB33P63067.23150118181.0000.300.2738.9100.02
    1989Detroit TigersALMLB34P32031.12401661.0000.200.1919.8100.06
    1991Syracuse ChiefsILAAA36P800.00301331.0000.400.005.6100.015
    1995Columbus ClippersILAAA40P2200.02401661.0000.300.0015.8100.09
    MLB Totals - (P)74401,04158169412231227.9830.300.220.00.00
    AAA Totals - (P)48005240329291.0000.600.000.00.00
    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

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    YearCategoryPC1B2B3BSSLFCFRFOFDH
    1977MLB67----------
    1978MLB54----------
    1979MLB51----------
    1980MLB53----------
    1981MLB12----------
    1981Minor18----------
    1982MLB75----------
    1983MLB74----------
    1984MLB80----------
    1985MLB74----------
    1986MLB64----------
    1987MLB45----------
    1988MLB63----------
    1989MLB32----------
    1991Minor8----------
    1995Minor22----------
    Totals792----------