Page Information
Current Status
High Level
Proper Name
Justin Aaron Maffei
Stat Years
2010-2017
Height/Weight
6-1 / 175
Bats/Throws
Right / Right
Positions
LF (150) ... CF (109) ... RF (52) ... P (2)
Draft Position
CF
Born Date/Place
High School
Junipero Serra (San Mateo,CA)
Colleges
University of San Francisco (San Francisco,California), College of San Mateo (San Mateo,California)
Draft
Selected by the Pittsburgh Pirates in Round #25 (#749 overall) of the 2013 Amateur Entry Draft (June-Reg Phase)
Bonus
Signing Scouts
MLB Debut
Service Time
Organizations
PIT [5]
ID Numbers
tbc id: 169192 ... mlbam id: 643424
Relations
TBC Apps
Career Talent RatingsBattingSpeed71Power40Contact57XBH35RBIs27Runs47Hitting65Durability66Team.529Ratings Explained
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Career Batting 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 NameLgLvlOrgUnifAgePosDetailExpGABRH2B3BHRRBISBCSBBSOHPSHSFIWDPAVGOBPSLGOPSPATBXBHsecAISObabipBB%SO%SOBBABHRHR%XBH%
    2010College of San MateoCoast-GGCCCAA------18of------34123384584220124161860101.366.459.5451.0041466714.374.179.41310.9612.331.1361.51.3731.1
    2011College of San MateoCoast-GGCCCAA------19of------3513633441123251961922111101.324.443.500.9431686816.412.176.36611.3113.101.1645.31.7936.4
    2012San FranciscoWCCNCAA-1rpi 1192020of---Jr5920046631314162453440191302.315.453.450.9032579018.400.135.37113.2315.561.1850.01.5628.6
    2013San FranciscoWCCNCAA-1rpi 5020 21ofDR:25-749Sr592534374120522156223880401.292.362.399.76128710117.229.107.3227.6713.241.7350.61.7423.0
    2013Gulf Coast Pirates GCLRkpit2521cf---1227661842070041331102.237.298.342.64085266.158.105.2814.7115.293.250.00.0033.3
    2013Jamestown JammersNYPLA-pit1721lf---114344700022031420100.206.300.206.5064070.147.000.3337.5035.004.670.00.000.0
    2014West Virginia PowerSALApit622cf-lf---26322630544112372345371205.239.353.279.632270636.212.040.30512.5919.631.56226.00.3711.1
    2014Bradenton MaraudersFSLA+pit2622lf-cf---24915523478311383163521002.303.376.413.7891746412.245.110.3879.2020.112.19155.00.5725.5
    2015Bradenton MaraudersFSLA+pit2623lf---3832994585145218117385375104.284.377.385.76235011521.241.101.33910.8615.141.39149.50.5724.7
    2016Bradenton MaraudersFSLA+pit2724lf---41761721411121151301102.344.388.492.88068306.230.148.4177.3519.122.6061.01.4728.6
    2016Altoona CurveEastAApit2224lf-rf---4256391110051061311002.175.257.190.44771121.127.015.2208.4518.312.170.00.009.1
    2016Indianapolis IndiansILAAApit724lf-rf---448110000011400000.125.222.125.347910.000.000.25011.1144.444.000.00.000.0
    2017Altoona CurveEastAApit725cf-rf---532891523300441161650011.258.400.292.692110263.247.034.31514.5514.551.000.00.0013.0
    2017Indianapolis IndiansILAAApit4525rf-lf---512305101003115811001.333.444.367.81137111.200.034.45513.5121.621.600.00.0010.0
    Minor League Totals1032110411452773912587351612822228116119.266.360.341.701121435556.216.075.33210.5418.291.73208.20.4120.2
    Minor: CCCAA Totals269259718919654531103540171202.344.450.521.97131413530.394.177.38911.1512.741.1451.81.5933.7
    Minor: NCAA-1 Totals21184538913725193839115678271703.302.405.422.82754419135.305.120.34310.2914.341.3950.31.6525.5
    Minor: Rk Totals1227661842070041331102.237.298.342.64085266.158.105.2814.7115.293.250.00.0033.3
    Minor: A- Totals114344700022031420100.206.300.206.5064070.147.000.3337.5035.004.670.00.000.0
    Minor: A Totals16322630544112372345371205.239.353.279.632270636.212.040.30512.5919.631.56226.00.3711.1
    Minor: A+ Totals31495157515326944320115910197208.297.378.406.78459220939.241.109.3629.9717.061.71128.80.6825.5
    Minor: AA Totals2571522434400951222961013.224.344.250.594181384.197.026.27612.1516.021.320.00.0011.8
    Minor: AAA Totals2163861110031261211001.289.400.316.71646121.158.027.42313.0426.092.000.00.009.1
    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 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
    2016Altoona CurveEastAApit22241---009.0010001101.03110000003.0027.000.000.000.009.000.00.000
    2016Minor Totals: PITbyYearAA----241---009.0010001101.03110000003.0027.000.000.000.009.002.00.000
    Minor League Totals009.0010001101.03110000003.0027.000.000.000.009.002.00.000
    Minor: AA Totals009.0010001101.03110000003.0027.000.000.000.009.002.00.000
    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
    2013Gulf Coast Pirates GCLRk21LF100.01000111.0001.000.001.74.54
    2013Gulf Coast Pirates GCLRk21CF1600.02300023231.0001.400.0026.772.72
    2013Gulf Coast Pirates GCLRk21RF400.0801098.8892.000.006.718.24
    2013Jamestown JammersNYPLA-21LF800.0190102019.9502.400.0010.757.14
    2013Jamestown JammersNYPLA-21CF300.01000010101.0003.300.004.021.45
    2014West Virginia PowerSALA22LF2700.06610067671.0002.500.0020.042.93
    2014West Virginia PowerSALA22CF3500.07610077771.0002.200.0025.955.62
    2014Bradenton MaraudersFSLA+22LF2900.04030143431.0001.500.0020.959.23
    2014Bradenton MaraudersFSLA+22CF2500.05120253531.0002.100.0018.051.03
    2014Bradenton MaraudersFSLA+22RF100.01000111.0001.000.000.72.06
    2015Bradenton MaraudersFSLA+23LF5200.099330105102.9712.000.0037.762.72
    2015Bradenton MaraudersFSLA+23CF700.02510026261.0003.700.005.18.42
    2015Bradenton MaraudersFSLA+23RF1900.03520137371.0001.900.0013.822.93
    2015Bradenton MaraudersFSLA+23P100.0000000.0000.000.000.71.223
    2016Bradenton MaraudersFSLA+24LF900.01900019191.0002.100.006.652.95
    2016Bradenton MaraudersFSLA+24CF400.05000551.0001.300.002.923.55
    2016Bradenton MaraudersFSLA+24RF400.0701087.8751.800.002.923.54
    2016Altoona CurveEastAA24LF900.01910120201.0002.200.006.436.04
    2016Altoona CurveEastAA24CF500.01000010101.0002.000.003.620.05
    2016Altoona CurveEastAA24RF700.01500015151.0002.100.005.028.06
    2016Altoona CurveEastAA24P100.0000000.0000.000.000.74.023
    2016Indianapolis IndiansILAAA24LF200.03000331.0001.500.001.450.08
    2016Indianapolis IndiansILAAA24RF100.01000111.0001.000.000.725.07
    2017Altoona CurveEastAA25LF900.09000991.0001.000.006.428.16
    2017Altoona CurveEastAA25CF1200.0170101817.9441.400.008.637.53
    2017Altoona CurveEastAA25RF1100.02210123231.0002.100.007.934.44
    2017Indianapolis IndiansILAAA25LF400.05000551.0001.300.002.833.39
    2017Indianapolis IndiansILAAA25CF200.05000551.0002.500.001.416.75
    2017Indianapolis IndiansILAAA25RF500.06000661.0001.200.003.541.79
    AAA Totals - (LF)600800011.0000.000.00---------
    AAA Totals - (CF)200500013.0000.000.00---------
    AAA Totals - (RF)600700011.0000.000.00---------
    AA Totals - (LF)18002810112.0000.000.00---------
    AA Totals - (CF)17002701012.0000.000.00---------
    AA Totals - (RF)18003710112.0000.000.00---------
    AA Totals - (P)100000000.0000.000.00---------
    A+ Totals - (LF)900015863112.0000.000.00---------
    A+ Totals - (CF)36008130212.0000.000.00---------
    A+ Totals - (RF)24004321112.0000.000.00---------
    A+ Totals - (P)100000000.0000.000.00---------
    A Totals - (LF)27006610013.0000.000.00---------
    A Totals - (CF)35007610012.0000.000.00---------
    A- Totals - (LF)8001901012.0000.000.00---------
    A- Totals - (CF)3001000013.0000.000.00---------
    Rk Totals - (LF)100100011.0000.000.00---------
    Rk Totals - (CF)16002300011.0000.000.00---------
    Rk Totals - (RF)400801012.0000.000.00---------
    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
    2013Minor------9194--
    2014Minor------56601--
    2015Minor1-----52719--
    2016Minor1-----20912--
    2017Minor------131416--
    Totals2-----15010952--