Page Information
Current Status
High Level
Proper Name
John A. Duffy
Stat Years
1980-1989
Height/Weight
6-0 / 168
Bats/Throws
Both / Left
Positions
P (253) ... OF (1)
Draft Position
 
Born Date/Place
1961-08-24 in Mobile, Alabama   [58.351]
High School
McGill-Toolen (Mobile,AL)
Colleges
University of South Alabama (Mobile, Alabama)
Draft
MLB Debut
Service Time
Organizations
DET [5] KCA [1]
ID Numbers
tbc id: 133271
Relations
TBC Apps
Career Talent RatingsPitchingStrikeouts53Walks55Hittable42SO/BB56vsPower42Hitting0Durability91Team.474Ratings Explained
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Career Pitching Statistics

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  • Grid Filters
  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • College
  • Indy/Intl/+
  • YearTeam NameLgLvlOrgUnifAgeExpDetailWLERAGGSCGSHOGFGRSVIPHRERHRBBSOWPBKHBWHIPH9HR9BB9SO9RA9SO BBWPCT
    1980South AlabamaSBCNCAA-1------18------303.80640002023.2221110014142011.528.370.005.325.324.181.001.000
    1981South AlabamaSBCNCAA-1------19------454.4619171102082.2754841339301031.388.170.334.253.275.230.77.444
    1982South AlabamaSBCNCAA-1------20------733.9714112003059.0523326528432011.367.930.764.276.565.031.54.700
    1983South AlabamaSBCNCAA-1------21------1153.13301230018186.1775030341870001.378.030.314.279.075.212.12.688
    1984Bristol TigersAppRkdet-221---011.65150001115527.1208517281000.996.590.332.309.222.634.00.000
    1984Lakeland TigersFSLA+det-221---017.90900069113.219181248131001.9812.512.635.278.5611.851.63.000
    1984Birmingham BaronsSouAAdet-221---005.68700027012.21613811080002.0511.370.717.115.689.240.80.000
    1984Minor Totals: DETbyYearAA/A+/Rk----223---024.23310001931653.7553925625492001.509.301.024.238.296.601.96.000
    1985Lakeland TigersFSLA+det-232---342.15450003745879.2662719232737001.237.460.233.628.253.052.28.429
    1985Minor Totals: DETbyYearA+----231---342.16450003745879.7662719232737001.247.500.233.648.303.072.28.429
    1986Glens Falls TigersEastAAdet-243---345.99403102537673.2985049928426021.7111.971.103.425.136.111.50.429
    1986Minor Totals: DETbyYearAA----241---346.02403102537673.7985049928426021.7212.051.113.445.166.151.50.429
    1987Glens Falls TigersEastAAdet-254---264.83491001948291.11125649932613021.5811.040.893.156.015.521.91.250
    1987Minor Totals: DETbyYearAA----251---264.84491001948291.31125649932613021.5811.060.893.166.035.531.91.250
    1988Glens Falls TigersEastAAdet-265---423.3022100321146.1401717117300031.237.770.193.305.833.301.76.667
    1988Toledo Mud HensILAAAdet-265---015.6020100819035.1422322610251021.4710.701.532.556.375.862.50.000
    1988Minor Totals: DETbyYearAAA/AA----262---434.32422001140181.7824039727551051.349.090.782.996.104.432.04.571
    1989Memphis ChicksSouAAkca-276---354.514690016372115.212374581243886031.449.570.933.356.855.762.05.375
    1989Minor Totals: KCAbyYearAA----271---354.534690016372115.712374581243886031.449.610.943.366.885.782.05.375
    Minor League Totals15244.34253151012723825495.753628623945187368250121.469.740.823.406.695.201.97.385
    Minor: NCAA-1 Totals25133.836944610251251.7226142107111221745051.398.100.394.376.235.091.43.658
    Minor: Rk Totals011.66150001115527.3208517281001.006.640.332.329.302.664.00.000
    Minor: A+ Totals353.00540004354993.3854531640868001.348.220.583.878.314.352.15.375
    Minor: AA Totals12174.8016414106515011339.738921018132130229150101.5310.320.853.456.085.571.76.414
    Minor: AAA Totals015.6420100819035.3422322610251021.4810.771.542.566.415.902.50.000
    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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  • MLB
  • Minors
  • Full Season
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  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • College
  • Indy/Intl/+
  • YearTeam NameLgLvlOrgUnifAgePosExpGABRH2B3BHRRBISBCSBBSOHPSHSFIWDPAVGOBPSLGOPSPATBXBHsecAISObabipBB%SO%SOBBABHRHR%XBH%
    1982South AlabamaSBCNCAA-1------20p---170000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    1986Glens Falls TigersEastAAdet-24p1422000000000100000.000.000.000.000200.000.000.0000.0050.000.000.00.000.0
    1987Glens Falls TigersEastAAdet-25p2511100000000100000.000.000.000.000100.000.000.0000.00100.000.000.00.000.0
    Minor League Totals933100000000200000.000.000.000.000300.000.000.0000.0066.670.000.00.000.0
    Minor: AA Totals933100000000200000.000.000.000.000300.000.000.0000.0066.670.000.00.000.0
    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 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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  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • YearTeam NameLgLvlAgepositGGSINNPOAEDPTCTSCFPCTRFGRFITeam SharePlayer ShareTeam Rank
    1984Bristol TigersAppRk22P1500.01500661.0000.400.0021.4100.04
    1984Lakeland TigersFSLA+22P900.0022042.5000.200.006.3100.016
    1984Birmingham BaronsSouAA22P700.0032053.6000.400.004.8100.016
    1985Lakeland TigersFSLA+23P4500.0315222018.9000.400.0032.1100.01
    1986Glens Falls TigersEastAA24OF100.01000111.0001.000.000.72.414
    1986Glens Falls TigersEastAA24P4000.0415102019.9500.500.0029.095.22
    1987Glens Falls TigersEastAA25P4900.059111514.9330.300.0035.896.11
    1988Glens Falls TigersEastAA26P2200.01500661.0000.300.0016.1100.09
    1988Toledo Mud HensILAAA26P2000.047121211.9170.600.0014.1100.09
    1989Memphis ChicksSouAA27P4600.0323112726.9630.600.0032.2100.03
    AAA Totals - (P)200047121211.9170.600.000.00.00
    AA Totals - (OF)1001000111.0001.000.000.00.00
    AA Totals - (P)164001355527368.9320.400.000.00.00
    A+ Totals - (P)5400317422420.8330.400.000.00.00
    Rk Totals - (P)15001500661.0000.400.000.00.00
    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
    1984Minor31----------
    1985Minor45----------
    1986Minor40--------1-
    1987Minor49----------
    1988Minor42----------
    1989Minor46----------
    Totals253--------1-