2021 Register Pitching Leaders

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For 2021, in the Minors, Minimum 33 IP, Sorted by greatest Strikeouts per 9 IP

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League Player Pitching

  • Minimum 33 IP to appear on leaderboard

League Player Pitching
Rk Name Age Tm Lg Lev SO9 Aff W L W-L% ERA RA9 G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO/W
1Oliver Mateo23BDTLASEA19.6PIT52.7144.785.023302000737.217212024018270221741.5134.10.59.62.05
2Chase Walter22LEL,FWALAW,HACA,A+17.1SDP11.5002.544.623201900239.022201132707430161731.2565.10.76.22.74
3Indigo Diaz22ROM,MSSHAE,AASOA+,AA16.6ATL62.7501.201.403201700545.021761160832071750.8224.20.23.25.19
4Kent Hasler25CAR,APPLAE,HACA,A+16.4MIL43.5713.074.913001600244.036241562448030131981.3647.41.24.93.33
5Jonathan Sprinkle22AVL,FAY,CPCHAE,LAE,AACNA+,A,AA16.2HOU23.4003.483.893101500044.024191732707940291871.1594.90.65.52.93
6Cameron Gibbens25GRL,TUL,RCUHAC,AACN,LAWA+,AA,A16.0LAD42.6673.473.473501000346.23518184320834152061.4366.80.86.22.59
7Freddy Pacheco23PEO,SPD,MEMHAC,AACN,AAAEA+,AA,AAA15.8STL101.0003.673.6741022001154.02822226290951052161.0564.71.04.83.28
8Yaifer Perdomo19BJY,VIS,DUNFCL,LAW,LASERk,A15.8TOR-ARI201.0003.954.39118000041.02920184220725251801.2446.40.94.83.27
9Chris Wright22EUG,SJOHAW,LAWA+,A15.8SFG401.0001.001.2037033002145.019652210791061730.8893.80.44.23.76
10Reid Detmers21RCT,SLKAASO,AAAWAA,AAA15.7LAA34.4293.193.631414000062.0522522101901082042571.1457.51.52.85.68
11Adrian Hernandez21VAN,DUN,MANHAW,LASE,AANEA+,A,AA15.6TOR32.6002.743.323121500762.1302319529110861102510.9474.30.74.23.72
12Josh Gessner21RGS,CLRACL,FCLRk15.6TEX-PHI22.5004.144.86118000037.024201702206441151601.2435.80.05.42.91
13Zach Matson25HRTAANEAA15.5COL22.5005.736.55350600033.02824216150574141441.3037.61.64.13.80
14Allen Facundo18YK1DOSLFRk15.5NYY03.0004.255.361411000048.234292302708421152071.2536.30.05.03.11
15Will Klein21DAVHACA+15.5KCR71.8753.203.583601600470.143282544401211152961.2375.50.55.62.75
16Evan Reifert22APP,CARHAC,LAEA+,A15.5MIL33.5002.102.853701400860.0361914436110360132561.2005.40.65.42.86
17Stevie Branche24DYT,DAYLASE,HACA,A+15.4CIN71.8752.783.243111400458.1312118235010080102501.1314.80.35.42.86
18Royber Salinas20KIS,AUGFCL,LAERk,A15.3ATL33.5002.293.89139200139.125171042406750111701.2465.70.95.52.79
19Zach Featherstone25CDRHACA+15.2MIN34.4292.133.604002400955.028221344219310102331.2734.60.76.92.21
20Sean Mooney23FTM,CDRLASE,HACA,A+15.2MIN02.0002.793.641312000042.02217132230714031761.0714.70.44.93.09
21Steven Wilson26ELP,PDSAAAW,ACLAAA,Rk15.2SDP401.0003.213.86300900042.02318157140712011660.8814.91.53.05.07
22Nick Ernst24HDV,SOMHAE,AANEA+,AA15.2NYY42.6674.585.213502000657.03733294330963062461.2285.80.65.22.91
23Adam Macko20MODLAWA15.1SEA22.5004.595.1399000033.12919171210562051551.5007.80.35.72.67
24Brooks Wilson25MSS,GWIAASO,AAAEAA,AAA15.1ATL31.7502.342.343902200650.034131331908430112031.0606.10.53.44.42
25Vincent Timpanelli22DYT,DAYLASE,HACA,A+15.1CIN01.0002.983.5737020001445.115181533007612191920.9933.00.66.02.53
26Colby White22BWG,CHS,MTG,DHMHAE,LAE,AASO,AAAEA+,A,AA,AAA15.0TBR43.5711.442.0243130001162.126141041501044062310.6583.80.62.26.93
27Daniel Espino20LCO,LBGHAC,LAEA+,A14.9CLE38.2733.733.932020000091.2644038939015213103751.1246.30.93.83.90
28Jacob Cantleberry23GRL,RCUHAC,LAWA+,A14.9LAD41.8004.114.11241600235.03216163130580011491.2868.20.83.34.46
29Alexis Diaz24CNGAASOAA14.9CIN31.7503.834.253501000242.13020182202704051801.1816.40.44.33.50
30Michael Stryffeler25ARKAACNAA14.9SEA35.3752.093.354102200843.01316103360712081821.1402.70.67.51.97
31Félix Bautista26NFK,ADN,BOWAAAE,HAE,AANEAAA,A+,AA14.9BAL16.1431.542.8940031001146.2201582300773161941.0713.90.45.82.57
32Chris Gau24BWG,MTGHAE,AASOA+,AA14.8TBR42.6673.143.513402000648.24119176130801032031.1107.61.12.46.15
33Michell Miliano21LEL,GBO,FWALAW,HAE,HACA,A+14.8PIT-SDP44.5004.685.763801400250.037322645108271172441.7606.70.79.21.61
34Andrew Vasquez27STP,OKCAAAE,AAAWAAA14.7MIN-LAD401.0003.544.283901200048.127231952407913012081.0555.00.94.53.29
35Dany Jimenez27BFLAAAEAAA14.7TOR33.5002.222.62391600344.22913115250730161871.2095.81.05.02.92
36Jesse Biddle29GWIAAAEAAA14.7ATL11.5002.672.94320300133.22811103160554021461.3077.50.84.33.44
37Will Kobos23GBOHAEA+14.7PIT62.7502.162.812701200541.21913104231681131731.0084.10.95.02.96
38Randy Rodriguez21SJOLAWA14.7SFG63.6671.741.74320800262.044121202301014282581.0816.40.03.34.39
39Jorge Labrador22SJO,GNTLAW,ACLA,Rk14.7SFG301.0006.696.942901100235.029272633205712151751.7437.50.88.21.78
40Spencer Strider22MSS,AUG,ROM,GWIAASO,LAE,HAE,AAAEAA,A,A+,AAA14.6ATL37.3003.643.732221000094.0643938740015381103891.1066.10.73.83.83
41Danis Correa21MYR,SBNLAE,HACA,A+14.6CHC42.6671.952.19260800137.021980180604061531.0545.10.04.43.33
42Garrett Acton23STK,LNSLAW,HACA,A+14.6OAK301.0003.693.693401600253.24122229180871042151.0996.91.53.04.83
43Jovani Moran24WCH,STPAACN,AAAEAA,AAA14.6MIN42.6672.412.543501000367.128191863221093132610.8913.70.84.33.41
44Austin Reich24EUG,SJOHAW,LAWA+,A14.5SFG51.8331.631.63340800260.23311113140983212260.7754.90.42.17.00
45Dylan Coleman24OMA,NTAAAAE,AACNAAA,AA14.5KCR51.8333.283.754502400757.23824214221933182301.0405.90.63.44.23
46Eli Villalobos24BEL,JUPHAC,LASEA+,A14.5MIA23.4003.634.033201900444.23920185160722011941.2317.91.03.24.50
47Jacob Lopez23BWG,MTGHAE,AASOA+,AA14.5TBR31.7502.412.561511200259.24317166180966032431.0226.50.92.75.33
48Ben Onyshko24EVR,TACHAW,AAAWA+,AAA14.5SEA05.0005.986.94311800246.2483631825075140102231.5649.31.54.83.00
49Brian Glowicki26WSM,BIRHAE,AASOA+,AA14.4CHW12.3334.504.742801700738.03620193110611151581.2378.50.72.65.55
50DJ Herz20MYR,SBNLAE,HACA,A+14.4CHC44.5003.313.422020000081.2423130744013183143241.0534.60.84.82.98
51Steven Cruz22FTM,CDRLASE,HACA,A+14.4MIN42.6674.326.30282700150.035352433308061102251.3606.30.55.92.42
52Joey Steele25JUP,BELLASE,HACA,A+14.4MIA32.6003.884.082901700546.13721205140742061941.1017.21.02.75.29
53Parker Markel30ELPAAAWAAA14.4SDP32.6004.424.584101300257.03829287450913092561.4566.01.17.12.02
54Kyle Harrison19SJOLAWA14.3SFG43.5713.193.922323000098.2864335352015715144401.3997.80.34.73.02
55James Norwood27ELPAAAWAAA14.3SDP34.4294.434.434302000444.24022223210711141911.3668.10.64.23.38
56Cameron Junker23BDT,GBOLASE,HAEA,A+14.3PIT201.0003.714.24170400134.01916143210542021401.1765.00.85.62.57
57Neftali Feliz33OKC,LHVAAAW,AAAEAAA14.3LAD-PHI42.6673.293.953511100441.03218156160650021701.1717.01.33.54.06
58Owen White21DWN,RGSLAE,ACLA,Rk14.3TEX41.8003.063.0698000035.12612122120561041411.0756.60.53.14.67
59Javier Atencio19MT1DOSLFRk14.3NYM13.2502.443.001514000048.02816131190763081870.9795.30.23.64.00
60Ron Marinaccio25SOM,SWBAANE,AAAEAA,AAA14.2NYY21.6672.042.174001800566.135161542711055132630.9354.70.53.73.89
61Dylan King24TRI,ANGHAW,ACLA+,Rk14.2LAA24.3337.027.65147300142.143363310140672061871.3469.12.13.04.79
62Cade Smith22LBG,LCOLAE,HACA,A+14.2CLE23.4003.984.813302200543.02523193221684031781.0935.20.64.63.09
63Brendan Cellucci23GRVHAEA+14.2BOS23.4005.305.793601100037.13624223280591251731.7148.70.76.82.11
64Tyler Schimpf25EUGHAWA+14.2SFG12.3334.955.983101600443.230292472206920111891.1916.21.44.53.14
65Aaron Ashby23NVLAAAEAAA14.2MIL54.5564.414.972112000063.155353143201002042761.3747.80.64.53.13
66Peyton Gray26DAV,NTA,CBAHAC,AACN,LAEA+,AA,A14.2KCR33.5002.803.602401400745.03318145230713021921.2446.61.04.63.09
67Daniel Cruz23RCULAWA14.2LAD32.6004.895.353001100238.22723213160615021651.1126.30.73.73.81
68Zach Warren25REA,LHVAANE,AAAEAA,AAA14.2PHI12.3334.345.123901400345.23626225371721092081.5997.11.07.31.95
69Kyle Barraclough31STP,SWBAAAEAAA14.2MIN-NYY81.8892.752.75320800039.12012126210621041551.0424.61.44.82.95
70Jose Marte25RMD,SLK,EUG,RCTAANE,AAAW,HAW,AASOAA,AAA,A+14.2LAA-SFG32.6003.664.583401700439.13520160222624051771.4498.00.05.02.82
71Ian Seymour22CHS,DHM,BWGLAE,AAAE,HAEA,AAA,A+14.2TBR401.0001.952.281413000055.12614124190876012140.8134.20.73.14.58
72Dayeison Arias24EVR,ARKHAW,AACNA+,AA14.1SEA301.0002.662.863211800444.03114136200693021871.1596.31.24.13.45
73Clay Helvey24SJOLAWA14.1SFG35.3753.063.7439035001053.03822184201832072161.0946.50.73.44.15
74Darien Núñez28OKC,TULAAAW,AACNAAA,AA14.1LAD701.0002.382.55321200053.03215144200831052060.9815.40.73.44.15
75Brendan Nail25GRV,SALHAE,LAEA+,A14.1BOS601.0003.614.37320800347.13523194170744011971.0996.70.83.24.35
76Grayson Rodriguez21BOW,ADNAANE,HAEAA,A+14.1BAL91.9002.362.6223230000103.0583027102701616043980.8255.10.92.45.96
77Jacob Wallace22GRVHAEA+14.1BOS33.5005.926.103901700448.24133325250769272201.3567.60.94.63.04
78Matt Seelinger26RMDAANEAA14.0SFG31.7503.073.293601000041.03115146311640071801.5126.81.36.82.06
79Jared Jones19BDTLASEA14.0PIT36.3334.646.001815000066.0634434634010311043021.4708.60.84.63.03
80Aaron Pinto24AKRAANEAA14.0CLE31.7502.302.302501000543.03111115130671031731.0236.51.02.75.15
81Brandon Williamson23ARK,EVRAACN,HAWAA,A+14.0SEA46.4003.394.031919000098.1834437113301537184091.1807.61.03.04.64
82Emmanuel Ramirez26MSS,ROMAASO,HAEAA,A+14.0ATL32.6007.348.05270600338.047343181605910101801.65811.11.93.83.69
83Gabriel Sequeira23LAKLASEA14.0DET53.6254.725.2934024001047.25128251201744222151.4909.60.23.83.70
84Jaime Melendez19AVL,FAY,CPCHAE,LAE,AACNA+,A,AA14.0HOU46.4003.574.502011300058.04929233330903142621.4147.60.55.12.73
85Nick Starr24HCK,DWNHAE,LAEA+,A14.0TEX43.5715.126.752901200038.237292211163602051731.3718.62.63.73.75
86Tanner Propst23FRELAWA13.9COL31.7503.543.98360700240.23618165130634011741.2058.01.12.94.85
87Francisco Perez23AKR,CLBAANE,AAAEAA,AAA13.9CLE401.0001.871.87300900353.02811112291822032151.0754.80.34.92.83
88Austin Roberts22GBO,INAHAE,AAAEA+,AAA13.9PIT43.5714.465.274002600966.2643933152501034032881.3358.62.03.44.12
89Abner Uribe21CARLAEA13.9MIL101.0004.015.08174800333.224191522505220141501.4556.40.56.72.08
90Dalton Sawyer27LNS,MDLHAC,AACNA+,AA13.9OAK32.6004.185.51400800347.13529227280732292041.3316.71.35.32.61
91Seth Romero25HRB,FBG,ROC,NATAANE,LAE,AAAE,FCLAA,A,AAA,Rk13.9WSN02.0004.545.301111000035.24321182150551071631.62610.90.53.83.67
92Nick Lodolo23CNG,LOUAASO,AAAEAA,AAA13.9CIN22.5002.312.311313000050.23813133110786042010.9676.80.52.07.09
93Braxton Roxby22DAY,CNGHAC,AASOA+,AA13.8CIN22.5004.314.993101000539.237221932306110041881.5138.40.75.22.65
94Ryan Meisinger27IWA,OKCAAAE,AAAWAAA13.8CHC-LAD32.6003.353.793402000340.13517158201624141791.3647.81.84.53.10
95Kenny Wells23AUGLAEA13.8ATL24.3337.217.833001000243.2313835535067140122081.5116.41.07.21.91
96Matt Merrill23FBGLAEA13.8WSN22.5004.665.24187100046.143272422207170112071.4038.40.44.33.23
97Ryan Murphy21SJO,EUGLAW,HAWA,A+13.8SFG64.6002.523.6921210000107.1724430122601644194170.9136.01.02.26.31
98Luis Quinones23VAN,MANHAW,AANEA+,AA13.7TOR47.3644.064.661717000075.1513934665011561103411.5406.10.77.81.77
99Zach Greene24SOM,HDVAANE,HAEAA,A+13.7NYY47.3643.173.923402300359.23926216210914112381.0065.90.93.24.33
100Cody Morris24CLB,AKR,INSAAAE,AANE,ACLAAA,AA,Rk13.7CLE22.5001.622.361514100061.04116113200932142401.0006.00.43.04.65

About the Register Data

Historical performance data for professional leagues (affiliated minor leagues, independent minor leagues, fall/winter leagues, and other international leagues) is provided by and licensed from 24-7 Baseball and Chadwick Baseball Bureau. It incorporates the work of many stalwart baseball researchers, including Cliff Blau, Art Cantu, Frank Hamilton, Reed Howard, Kevin Johnson, Bob McConnell, Jack Morris, and Ray Nemec, as well as members of the Minor Leagues Committee of the Society for American Baseball Research.

Perhaps most importantly, it builds upon the seminal work of Ed Washuta, who magnanimously provided the framework to make the whole thing possible.

Minor league Total Zone (Rctch&Rtz, 2005-2009) data provided by Baseballprojection.com and Minorleaguesplits.com.

About the Negro League Data

Sources

This data comes from two sources. 1) The Negro Leagues Researchers and Authors Group put together by the National Baseball Hall of Fame and Museum thanks to a grant provided by Major League Baseball. 2) Gary Ashwill and his collaborators.

The Hall of Fame data is found for the years 1920-1948 and the Ashwill data is found from 1904-1919. Many statistics are incomplete due to ongoing research and/or limitations in published sources, so please be assured that we are aware there are issues with the data and will continue to work with our data providers to improve the data that appears here.

The Hall of Fame dataset

This data is constructed from the best available information as provided by Larry Lester, Wayne Stivers and Dick Clark of the Negro Leagues Researchers and Authors Group. It contains data culled from newspaper boxscores, covering league sanctioned games from 1920 to 1948, which was produced for a study sponsored by Major League Baseball and the National Baseball Hall of Fame and Museum. It reflects totals as compiled by the NLRAG up to 2006. As new credible information is continually unearthed, these numbers will continue to change.

Baseball-Reference and the National Baseball Hall of Fame and Museum would like to acknowledge Major League Baseball for funding this study, along with the Negro Leagues Researchers and Authors Group for their extensive efforts to collect the raw data and construct the most comprehensive database of Negro Leagues Baseball statistics.  Under the direction of Larry Lester, Wayne Stivers and Dick Clark, this database is the largest dataset ever made publically available and we wish to express our gratitude for all their efforts to help rebuild this lost statistical history.

The Ashwill Negro Leagues Database

Playing statistics and biographical data on the Negro leagues (all pre-1920) and early Latin American professional baseball is licensed from and provided by the Negro Leagues Database, a project organized by Gary Ashwill with the participation of many historians of Negro league and Latin American baseball.

The database is a work in progress, and will include more seasons as development continues. It appears in its original form at Seamheads.com.

Playing statistics and biographical data for this portion of our dataset (The Negro Leagues Database) are all copyright 2013 by Gary Ashwill. All rights reserved.

Completeness

Note that our records are missing thousands of players who played in the Negro Leagues for minor league teams, independent teams, barnstorming teams or even Negro major league teams. We will bring their records to light as soon as suitable records are available for those players.

Details about our NLB Data

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