Page Information
Current Status
High Level
Proper Name
Ramon Dionny (Estrella) Guzman
Stat Years
1988-1993  [mlb] 1991-1992
Height/Weight
5-10 / 155
Bats/Throws
Right / Left
Positions
P (149)
Draft Position
P
Born Date/Place
High School
Liseo Hatillo Palma (Hatillo Palma,DR)
Colleges
Draft
Signed as undrafted free agent by the Oakland Athletics in 1988
Bonus
Signing Scouts
MLB Debut
1991-06-08 - Boxscore  (Age: 20.138)
Service Time
Organizations
OAK [6]
ID Numbers
tbc id: 12268 ... retro id: guzmj002 ... mlbam id: 115265
Relations
Pitch Repertoire
TBC Apps
Career Talent RatingsPitchingStrikeouts33Walks44Hittable29SO/BB37vsPower29Hitting0Durability62Team.490Ratings Explained
Get TBC PREMIUM and remove ads, cleaner display, access to research applications, data store discounts and more!
The TBC Newsletter will keep you periodically up-to-date on what is happening at The Baseball Cube.

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
    1988Arizona Athletics ArizRkoak-171---028.6116100715123.037272218181011.9614.480.393.137.0410.572.25.000
    1988Minor Totals: OAKbyYearRk----171---028.6116100715123.037272218181011.9614.480.393.137.0410.572.25.000
    1989Southern Oregon A'sNwstA-oak-182---312.63550000027.123168012262001.287.570.003.958.565.272.17.750
    1989Madison MuskiesMidwAoak-182---333.74991000045.2412619321361021.368.080.594.147.095.121.71.500
    1989Modesto A'sCalifA+oak-182---024.86530012016.223119013122002.1612.420.007.026.485.940.92.000
    1989Minor Totals: OAKbyYearA-/A+/A----183---663.6319171012089.7875336346745021.498.780.304.647.475.351.61.500
    1990Modesto A'sCalifA+oak-193---741.9113131100084.2672518323582041.067.120.322.446.172.662.52.636
    1990Huntsville StarsSouAAoak-193---563.58161600000105.2895242954636071.357.580.774.605.374.431.17.455
    1990Minor Totals: OAKbyYearA+/AA----192---12102.84292911000190.31567760127712180111.237.390.573.655.733.651.57.545
    1991Huntsville StarsSouAAoak-204---213.48770000044.0461717325234011.619.410.615.114.703.480.92.667
    1991Tacoma TigersPCLAAAoak-204---256.7817130024079.21137460851404022.0612.770.905.764.528.360.78.286
    1991Oakland AthleticsALMLBoak45204Log - Sp - Ext - Perf109.0050001505.011550230002.6019.800.003.605.409.001.501.000
    1991Minor Totals: OAKbyYearAA/AAA----202---465.63242000240123.715991771176638031.9111.620.805.554.606.650.83.400
    1991MLB Totals: OAKbyYearMLB----201Log - Sp - Ext - Perf109.0050001505.011550230002.6019.800.003.605.409.001.501.000
    1992Huntsville StarsSouAAoak-215---823.7114142100089.2874337826558101.268.730.802.615.524.322.12.800
    1992Tacoma TigersPCLAAAoak-215---365.1120900411068.2704339624451301.379.170.793.155.905.641.88.333
    1992Oakland AthleticsALMLBoak41215Log - Sp - Ext - Perf0012.0020002203.08440000012.6724.000.000.000.0012.000.00.000
    1992Minor Totals: OAKbyYearAA/AAA----212---1184.333423214110158.3157867614501009401.318.940.802.855.694.902.00.579
    1992MLB Totals: OAKbyYearMLB----211Log - Sp - Ext - Perf0012.0020002203.08440000012.6724.000.000.000.0012.002.00.000
    1993Tacoma TigersPCLAAAoak-226---277.3220160014087.11308771744508041.9913.400.724.535.158.971.14.222
    1993Minor Totals: OAKbyYearAAA----221---277.3420160014087.31308771744508042.0013.430.724.555.178.991.14.222
    MLB Totals (2 yrs)1010.1370003708.019990230012.6321.380.002.253.3810.131.501.000
    American League Totals (2 yrs)1010.1370003708.019990230012.6321.380.002.253.3810.131.501.000
    Minor League Totals35394.581421064215361672.372642134248301426394211.539.720.644.035.705.641.42.473
    Minor: Rk Totals028.6116100715123.037272218181011.9614.480.393.137.0410.572.25.000
    Minor: A- Totals312.66550000027.323168012262001.297.640.003.998.635.312.17.750
    Minor: A Totals333.78991000045.7412619321361021.378.160.604.187.175.181.71.500
    Minor: A+ Totals762.40181611120101.3903627336704041.258.010.273.206.233.201.94.538
    Minor: AA Totals1593.61373721000239.3222112962010514118181.378.360.753.955.314.221.34.625
    Minor: AAA Totals7186.515738007190235.73132041702111913513361.8411.980.804.555.177.811.13.280
    Oakland Athletics Totals (2 yrs)1010.1370003708.019990230012.6321.380.002.253.3810.131.501.000
    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 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
    1988Arizona Athletics ArizRk17P1600.0161087.8750.400.0027.6100.03
    1989Southern Oregon A'sNwstA-18P500.00200221.0000.400.006.7100.014
    1989Madison MuskiesMidwA18P900.048101312.9231.300.006.9100.015
    1989Modesto A'sCalifA+18P500.0111032.6670.400.003.5100.016
    1990Modesto A'sCalifA+19P1300.0410201614.8751.100.009.2100.012
    1990Huntsville StarsSouAA19P1600.01140015151.0000.900.0011.1100.010
    1991Huntsville StarsSouAA20P700.03300661.0000.900.004.9100.015
    1991Tacoma TigersPCLAAA20P1700.02160318181.0001.100.0012.5100.09
    1991Oakland AthleticsALMLB20P505.00101111.0000.200.203.1100.020
    1992Huntsville StarsSouAA21P1400.09160025251.0001.800.009.7100.013
    1992Tacoma TigersPCLAAA21P2000.01120113131.0000.700.0014.0100.010
    1992Oakland AthleticsALMLB21P203.0000000.0000.000.001.2100.020
    1993Tacoma TigersPCLAAA22P2000.0518112423.9581.200.0014.0100.011
    MLB Totals - (P)7080101111.0000.100.130.00.00
    AAA Totals - (P)5700846155554.9820.900.000.00.00
    AA Totals - (P)370013330046461.0001.200.000.00.00
    A+ Totals - (P)1800511301916.8420.900.000.00.00
    A Totals - (P)90048101312.9231.300.000.00.00
    A- Totals - (P)5000200221.0000.400.000.00.00
    Rk Totals - (P)1600161087.8750.400.000.00.00
    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

    top csv share Sort Research Applications: MLB Stats | Minor Stats | College Stats | Draft Research
    YearCategoryPC1B2B3BSSLFCFRFOFDH
    1988Minor16----------
    1989Minor19----------
    1990Minor29----------
    1991MLB5----------
    1991Minor24----------
    1992MLB2----------
    1992Minor34----------
    1993Minor20----------
    Totals149----------