Page Information
Current Status
High Level
Proper Name
Mark Alan Williamson
Stat Years
1982-1994  [mlb] 1987-1994
Height/Weight
6-0 / 171
Bats/Throws
Right / Right
Positions
P (564)
Draft Position
P
Born Date/Place
Death
High School
Mount Miguel (Spring Valley,CA)
Colleges
San Diego State University (San Diego, California), Grossmont College (El Cajon, California)
Draft
Selected by the San Diego Padres in Round #4 (#83 overall) of the 1982 Amateur Entry Draft (June-Reg Phase) 2 Draft Instances
Bonus
Signing Scouts
MLB Debut
1987-04-08 - Boxscore  (Age: 27.262)
Service Time
Organizations
BAL [8] SDN [5]
ID Numbers
tbc id: 19741 ... retro id: willm004 ... mlbam id: 124351
Relations
Pitch Repertoire
TBC Apps
Career Talent RatingsPitchingStrikeouts46Walks72Hittable48SO/BB66vsPower48Hitting0Durability71Team.482Ratings Explained
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Career Pitching Statistics

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  • YearTeam NameLgLvlOrgUnifAgeExpDetailWLERAGGSCGSHOGFGRSVIPHRERHRBBSOWPBKHBWHIPH9HR9BB9SO9RA9SO BBWPCT
    1982Reno PadresCalifA+sdn-221---754.39260002326941.0342420418304011.277.460.883.956.595.271.67.583
    1982Minor Totals: SDNbyYearA+----221---754.39260002326941.0342420418304011.277.460.883.956.595.271.67.583
    1983Beaumont Golden GatorsTexAAsdn-232---634.03471003046382.2904537830394031.459.800.873.274.254.901.30.667
    1983Minor Totals: SDNbyYearAA----231---634.05471003046382.7904537830394031.469.850.883.284.274.931.30.667
    1984Reno PadresCalifA+sdn-243---10122.905610046551593.01054130223694021.3810.160.192.236.683.973.00.455
    1984Minor Totals: SDNbyYearA+----241---10122.905610046551593.01054130223694021.3810.160.192.236.683.973.00.455
    1985Beaumont Golden GatorsTexAAsdn-254---1092.86420003242878.2722725123643001.218.240.112.637.323.092.78.526
    1985Minor Totals: SDNbyYearAA----251---1092.88420003242878.7722725123643001.218.290.122.657.373.112.78.526
    1986Las Vegas StarsPCLAAAsdn-265---1033.3665000366516104.110347391036812001.338.880.863.116.994.052.25.769
    1986Minor Totals: SDNbyYearAAA----261---1033.3765000366516104.310347391036812001.348.900.863.117.004.062.25.769
    1987Rochester Red WingsILAAAbal-276---016.7510001104.06330110001.7513.500.002.252.256.751.00.000
    1987Baltimore OriolesALMLBbal32276Log - Sp - Ext - Perf894.036120036593125.012259561241733031.308.780.862.955.264.251.78.471
    1987Minor Totals: BALbyYearAAA----271---016.7510001104.06330110001.7513.500.002.252.256.751.00.000
    1987MLB Totals: BALbyYearMLB----271Log - Sp - Ext - Perf894.036120036593125.012259561241733031.308.780.862.955.264.251.78.471
    1988Rochester Red WingsILAAAbal-287---233.341231089229.238111125253001.4511.530.611.527.583.345.00.400
    1988Baltimore OriolesALMLBbal32287Log - Sp - Ext - Perf584.9037102011272117.212570641440695321.409.561.073.065.285.351.73.385
    1988Minor Totals: BALbyYearAAA----281---233.391231089229.738111125253001.4711.710.621.547.713.395.00.400
    1988MLB Totals: BALbyYearMLB----281Log - Sp - Ext - Perf584.9137102011272117.712570641440695321.419.601.083.075.305.381.73.385
    1989Baltimore OriolesALMLBbal32298Log - Sp - Ext - Perf1052.936500038659107.11053535430550021.268.800.342.524.612.931.83.667
    1989MLB Totals: BALbyYearMLB----291Log - Sp - Ext - Perf1052.946500038659107.31053535430550021.268.820.342.524.622.941.83.667
    1990Baltimore OriolesALMLBbal32309Log - Sp - Ext - Perf822.21490001549185.1652521828601001.096.860.842.956.332.642.14.800
    1990MLB Totals: BALbyYearMLB----301Log - Sp - Ext - Perf822.22490001549185.3652521828601001.096.870.852.966.352.642.14.800
    1991Baltimore OriolesALMLBbal323110Log - Sp - Ext - Perf554.48650002165480.1874240935537001.529.751.013.925.944.711.51.500
    1991MLB Totals: BALbyYearMLB----311Log - Sp - Ext - Perf554.49650002165480.3874240935537001.529.781.013.935.964.721.51.500
    1992Hagerstown SunsEastAAbal-3211---014.91650001014.213981280001.027.980.611.234.915.524.00.000
    1992Rochester Red WingsILAAAbal-3211---000.0040003423.22000010000.554.910.000.002.450.000.00.000
    1992Baltimore OriolesALMLBbal323211Log - Sp - Ext - Perf000.9612000512118.21632110141001.397.710.484.826.751.451.40.000
    1992Minor Totals: BALbyYearAAA/AA----322---013.981050035218.315981290000.947.460.500.994.484.484.50.000
    1992MLB Totals: BALbyYearMLB----321Log - Sp - Ext - Perf000.9912000512118.71632110141001.437.910.494.956.921.481.40.000
    1993Baltimore OriolesALMLBbal323312Log - Sp - Ext - Perf754.91481001247088.01065448525452001.4910.840.512.564.605.521.80.583
    1993MLB Totals: BALbyYearMLB----331Log - Sp - Ext - Perf754.91481001247088.01065448525452001.4910.840.512.564.605.521.80.583
    1994Baltimore OriolesALMLBbal323413Log - Sp - Ext - Perf314.0128200426167.1753330917280021.3710.021.202.273.744.411.65.750
    1994MLB Totals: BALbyYearMLB----341Log - Sp - Ext - Perf314.0228200426167.3753330917280021.3710.061.212.283.764.431.65.750
    MLB Totals (8 yrs)46353.87365152014235021689.77013212966222639719391.359.150.812.955.184.191.76.568
    American League Totals (8 yrs)46353.87365152014235021689.77013212966222639719391.359.150.812.955.184.191.76.568
    Minor League Totals45373.45259101017924955451.74632071732813831820061.339.240.562.756.344.132.30.549
    Minor: A+ Totals17173.3682100698124134.01396550641998031.349.340.402.756.654.372.41.500
    Minor: AA Totals16133.5895600628911176.0175817010551117031.318.950.512.815.684.142.02.552
    Minor: AAA Totals1273.3882310487920141.7149615312421085001.359.500.762.686.883.892.57.632
    Baltimore Orioles Totals (8 yrs)46353.87365152014235021689.77013212966222639719391.359.150.812.955.184.191.76.568
    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%
    1984Reno PadresCalifA+sdn-24p---1569020001000100000.222.222.222.444920.000.000.2500.0011.110.000.00.000.0
    1985Beaumont Golden GatorsTexAAsdn-25p---2426021002000000000.333.333.500.833631.167.167.3330.000.000.000.00.0050.0
    1986Las Vegas StarsPCLAAAsdn-26p---3655000000000302000.000.000.000.000700.000.000.0000.0042.860.000.00.000.0
    Minor League Totals16320041003000402000.200.200.250.4502251.050.050.2500.0018.180.000.00.0025.0
    Minor: A+ Totals569020001000100000.222.222.222.444920.000.000.2500.0011.110.000.00.000.0
    Minor: AA Totals426021002000000000.333.333.500.833631.167.167.3330.000.000.000.00.0050.0
    Minor: AAA Totals655000000000302000.000.000.000.000700.000.000.0000.0042.860.000.00.000.0
    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
    1982Reno PadresCalifA+22P2600.0171098.8890.300.0018.8100.05
    1983Beaumont Golden GatorsTexAA23P4700.08170025251.0000.500.0034.6100.02
    1985Beaumont Golden GatorsTexAA25P4200.06150121211.0000.500.0030.9100.02
    1986Las Vegas StarsPCLAAA26P6500.0480012121.0000.200.0045.8100.01
    1987Rochester Red WingsILAAA27P100.02000221.0002.000.000.7100.025
    1987Baltimore OriolesALMLB27P610125.02017213937.9490.600.3037.7100.01
    1988Rochester Red WingsILAAA28P1200.02200441.0000.300.008.5100.08
    1988Baltimore OriolesALMLB28P370117.2914102423.9580.600.2023.0100.05
    1989Baltimore OriolesALMLB29P650107.19100119191.0000.300.1840.1100.01
    1990Baltimore OriolesALMLB30P49085.11413222927.9310.600.3230.4100.03
    1991Baltimore OriolesALMLB31P65080.179201816.8890.200.2040.1100.02
    1992Hagerstown SunsEastAA32P600.06200881.0001.300.004.3100.018
    1992Baltimore OriolesALMLB32P12018.21000111.0000.100.057.4100.013
    1993Baltimore OriolesALMLB33P48088.08100018181.0000.400.2029.6100.04
    1994Baltimore OriolesALMLB34P28067.1730010101.0000.400.1525.0100.05
    MLB Totals - (P)3650688757674158151.9560.400.220.00.00
    AAA Totals - (P)78008100018181.0000.200.000.00.00
    AA Totals - (P)950020340154541.0000.600.000.00.00
    A+ Totals - (P)2600171098.8890.300.000.00.00
    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

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    YearCategoryPC1B2B3BSSLFCFRFOFDH
    1982Minor26----------
    1983Minor47----------
    1985Minor42----------
    1986Minor65----------
    1987MLB61----------
    1987Minor1----------
    1988MLB37----------
    1988Minor12----------
    1989MLB65----------
    1990MLB49----------
    1991MLB65----------
    1992MLB12----------
    1992Minor6----------
    1993MLB48----------
    1994MLB28----------
    Totals564----------