Page Information
Current Status
High Level
Proper Name
David Wallace Heaverlo
Stat Years
1973-1983  [mlb] 1975-1981
Height/Weight
6-1 / 210
Bats/Throws
Right / Right
Positions
P (376)
Draft Position
P
Born Date/Place
High School
Moses Lake (Moses Lake,WA)
Colleges
Central Washington University (Ellensburg, Washington)
Draft
Selected by the San Francisco Giants in Round #1 (#23 overall) of the 1973 Amateur Entry Draft (Jan-Sec Phase) 2 Draft Instances
Bonus
Signing Scouts
MLB Debut
1975-04-14 - Boxscore  (Age: 24.232)
Service Time
Organizations
OAK [5] SFN [3] SEA [1]
ID Numbers
tbc id: 12606 ... retro id: heavd101 ... mlbam id: 115684
Relations
Pitch Repertoire
TBC Apps
Career Talent RatingsPitchingStrikeouts47Walks58Hittable38SO/BB53vsPower38Hitting0Durability49Team.493Ratings 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
    1973FresnoCalifA+----221---752.856300000098.010039310311000001.349.180.002.859.183.583.23.583
    1973Minor Totals: byYearA+----221---752.8563000063098.010039310311000001.349.180.002.859.183.583.23.583
    1974AmarilloTexAA----232---952.654800000085.0943225028770001.449.950.002.968.153.392.75.643
    1974Minor Totals: byYearAA----231---952.6548000048085.0943225028770001.449.950.002.968.153.392.75.643
    1975San Francisco GiantsNLMLBsfn60243Log - Sp - Ext - Perf312.39420002342164.0621817231357111.458.720.284.364.922.531.13.750
    1975MLB Totals: SFNbyYearMLB----241Log - Sp - Ext - Perf312.39420002342164.0621817231357111.458.720.284.364.922.531.13.750
    1976San Francisco GiantsNLMLBsfn60254Log - Sp - Ext - Perf444.44610001561175.0854537215405221.3310.200.241.804.805.402.67.500
    1976MLB Totals: SFNbyYearMLB----251Log - Sp - Ext - Perf444.44610001561175.0854537215405221.3310.200.241.804.805.402.67.500
    1977Phoenix GiantsPCLAAAsfn-265---104.09600006211.0117513100001.279.000.822.458.185.733.331.000
    1977San Francisco GiantsNLMLBsfn60265Log - Sp - Ext - Perf512.55560001256198.29236281021580031.158.390.911.925.293.282.76.833
    1977Minor Totals: SFNbyYearAAA----261---104.09600006211.0117513100001.279.000.822.458.185.733.331.000
    1977MLB Totals: SFNbyYearMLB----261Log - Sp - Ext - Perf512.57560001256198.79236281021580031.158.430.921.925.323.302.76.833
    1978Oakland AthleticsALMLBoak60276Log - Sp - Ext - Perf363.2569000406910130.014156471141711131.409.760.762.844.923.881.73.333
    1978MLB Totals: OAKbyYearMLB----271Log - Sp - Ext - Perf363.2569000406910130.014156471141711131.409.760.762.844.923.881.73.333
    1979Oakland AthleticsALMLBoak60287Log - Sp - Ext - Perf4114.20620004262985.2974240742400141.6210.190.744.414.204.410.95.267
    1979MLB Totals: OAKbyYearMLB----281Log - Sp - Ext - Perf4114.23620004262985.7974240742400141.6310.250.744.444.234.440.95.267
    1980Seattle MarinersALMLBsea55,60298Log - Sp - Ext - Perf633.89600003860478.2753734935421151.408.581.034.004.814.231.20.667
    1980MLB Totals: SEAbyYearMLB----291Log - Sp - Ext - Perf633.91600003860478.7753734935421151.418.631.044.034.834.261.20.667
    1981Tacoma TigersPCLAAAoak-309---212.74170001417823.03010719100001.7011.740.393.523.913.911.11.667
    1981Oakland AthleticsALMLBoak60309Log - Sp - Ext - Perf101.5960002605.27110320001.7611.120.004.763.181.590.671.000
    1981Minor Totals: OAKbyYearAAA----301---212.74170001417823.03010719100001.7011.740.393.523.913.911.11.667
    1981MLB Totals: OAKbyYearMLB----301Log - Sp - Ext - Perf101.7360002605.77110320001.9212.120.005.193.461.730.671.000
    1982Tacoma TigersPCLAAAoak-3110---000.0010001111.20000110000.600.000.005.405.400.001.00.000
    1982Minor Totals: OAKbyYearAAA----311---000.0010001111.70000110000.830.000.007.507.500.001.00.000
    1983Tacoma TigersPCLAAAoak-3211---003.0030003306.05321211001.177.501.503.001.504.500.50.000
    1983Minor Totals: OAKbyYearAAA----321---003.0030003306.05321211001.177.501.503.001.504.500.50.000
    MLB Totals (7 yrs)26263.4235600017235626537.755923520441188288146181.399.370.693.154.833.941.53.500
    American League Totals (4 yrs)14203.6619700012219723300.03201361222712115523121.479.600.813.634.654.081.28.412
    National League Totals (3 yrs)1263.11159000501593237.72399982146713312361.299.070.532.545.053.761.99.667
    Minor League Totals19112.811380001813811224.724091703741991001.409.630.122.977.993.652.69.633
    Minor: A+ Totals752.8563000063098.010039310311000001.349.180.002.859.183.583.23.583
    Minor: AA Totals952.6548000048085.0943225028770001.449.950.002.968.153.392.75.643
    Minor: AAA Totals313.062700018271141.7462014315221001.4810.050.663.284.814.371.47.750
    San Francisco Giants Totals (3 yrs)1263.11159000501593237.72399982146713312361.299.070.532.545.053.761.99.667
    Oakland Athletics Totals (3 yrs)8173.581370008413719221.3245998818861131271.509.970.733.504.604.031.31.320
    Seattle Mariners Totals (1 yrs)633.91600003860478.7753734935421151.418.631.044.034.834.261.20.667
    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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  • Grid Filters
  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • College
  • Indy/Intl/+
  • YearTeam NameLgLvlOrgUnifAgePosDetailExpGABRH2B3BHRRBISBCSBBSOHPSHSFIWDPAVGOBPSLGOPSPATBXBHsecAISObabipBB%SO%SOBBABHRHR%XBH%
    1975San Francisco GiantsNLMLBsfn6024pL-S-E-P1424020000000100000.500.500.5001.000420.000.000.6670.0025.000.000.00.000.0
    1976San Francisco GiantsNLMLBsfn6025pL-S-E-P2613010000000100000.333.333.333.666310.000.000.5000.0033.330.000.00.000.0
    1977Phoenix GiantsPCLAAAsfn-26p---360000000000000000.000.000.000.000000.000.000.0000.000.000.000.00.000.0
    1977San Francisco GiantsNLMLBsfn6026pL-S-E-P3565000000001202000.000.167.000.167800.200.000.00012.5025.002.000.00.000.0
    1979Oakland AthleticsALMLBoak6028pL-S-E-P4621000000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    MLB Totals (4 yrs)22113030000001402000.231.286.231.5171630.077.000.3336.2525.004.000.00.000.0
    National League Totals (3 yrs)15912030000001402000.250.308.250.5581530.083.000.3756.6726.674.000.00.000.0
    American League Totals (1 yrs)621000000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    San Francisco Giants Totals (3 yrs)15912030000001402000.250.308.250.5581530.083.000.3756.6726.674.000.00.000.0
    Oakland Athletics Totals (1 yrs)621000000000000000.000.000.000.000100.000.000.0000.000.000.000.00.000.0
    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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  • Grid Filters
  • MLB
  • Minors
  • Full Season
  • Short Season
  • AAA
  • AA
  • A+
  • A
  • A-
  • Rookie
  • YearTeam NameLgLvlAgepositGGSINNPOAEDPTCTSCFPCTRFGRFITeam SharePlayer ShareTeam Rank
    1975San Francisco GiantsNLMLB24P42064.0710111817.9440.400.2726.1100.04
    1976San Francisco GiantsNLMLB25P61075.0715212422.9170.400.2937.7100.02
    1977San Francisco GiantsNLMLB26P56098.21020123130.9680.500.3134.6100.03
    1978Oakland AthleticsALMLB27P690130.09300339391.0000.600.3042.6100.02
    1979Oakland AthleticsALMLB28P62085.2913212422.9170.400.2638.3100.01
    1980Seattle MarinersALMLB29P60078.275401612.7500.200.1537.0100.01
    1981Tacoma TigersPCLAAA30P1700.0222064.6670.200.0012.2100.010
    1981Oakland AthleticsALMLB30P605.2000000.0000.000.005.5100.012
    1983Tacoma TigersPCLAAA32P300.00100111.0000.300.002.1100.019
    MLB Totals - (P)35605364993108152142.9340.400.270.00.00
    AAA Totals - (P)2000232075.7140.300.000.00.00
    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
    1975MLB42----------
    1976MLB61----------
    1977MLB56----------
    1978MLB69----------
    1979MLB62----------
    1980MLB60----------
    1981MLB6----------
    1981Minor17----------
    1983Minor3----------
    Totals376----------