Web Single Season Pitching Leaders - 1941-2019 All Players in Database
Regular season

Earned run average Wins Losses
           
Koufax, SSB64 1.39 Koufax, SSB6635-4 Antonelli, JAR613-32
Siebert, SSB68 1.43 Koufax, SSB6334-5 Bell, EPS873-32
Gooden, DNJ85 1.45 Perry, JAV6931-5 Wilson, WWW453-31
Arrieta, JAR15 1.47 Lemon, BBB4829-6 Kipper, TOK530-30
Maddux, GTX95 1.48 Morton, CEQ7329-6 Oliver, DTX012-30
Short, CSB64 1.52 Lolich, MSB7129-11 Walters, BAR485-30
Koufax, SSB63 1.54 Veale, BAR6628-4 Mulcahy, HWW467-30
Fernandez, SZZ90 1.61 Brown, KWW0028-4 Markell, DAR513-29
Swift, BCF92 1.61 Bunning, JEQ5928-5 Terry, YWW458-29
Ontiveros, SCB94 1.63 Bouton, JSB6428-5 Lamb, RWW7310-29
McDowell, SSB68 1.63 Koufax, SSB6528-6 Lee, BJJ692-28
Newhouser, HDT46 1.63 Perry, GSF7428-7 Ruthven, DCO835-28
Koufax, SSB62 1.68 Trout, DSM4428-8 Hendrickson, DWW456-28
Sanchez, AMG13 1.68 Blyleven, BEQ7328-8 9 tied with 27
Lowe, DRS02 1.70 Roberts, RBV5528-10    
           
           
Walks plus hits per inning Winning percentage Shutouts
           
Martinez, PAV00 0.69 Barojas, SEG83 .947 Martinez, PAV0012
Arrieta, JAR15 0.74 Estrada, MPC16 .947 Gooden, DNJ8512
Koufax, SSB64 0.76 Fulmer, MBV17 .947 Ryan, NHD8211
Koufax, SSB65 0.77 Lolich, MSB67 .944 Koufax, SSB6511
Kershaw, CLW16 0.77 Norris, MSC81 .933 Koufax, SSB6410
Maddux, GTX95 0.79 Lolich, MSB69 .931 Gibson, BDT7210
Bouton, JSB64 0.80 Hamels, CWW07 .923 Koufax, SSB6310
Ontiveros, SCB94 0.82 deGrom, JDW18 .920 McNally, DCP689
Martinez, PAV99 0.84 Short, CSB64 .917 Tiant, LHK689
Lowe, DRS02 0.84 Goltz, DPD75 .913 Wilson, EHK689
Hughes, DSB67 0.84 Martinez, PAV03 .913 Seaver, TCH779
Koufax, SSB63 0.84 Harden, RBV04 .913 Maddux, GTX989
Scott, MDF88 0.87 Show, EBL82 .909 Moore, MCL899
Bunning, JEQ64 0.88 Simpson, WPD70 .905 20 tied with 8
Tiant, LHK68 0.88 Arrieta, JAR15 .900    
           
           
Strikeouts Walks Strikeout/walk ratio
           
Ryan, NSF72382 Koski, BOK51257 Kershaw, CLW1612.6
Martinez, PAV99380 Wright, KHK73196 Martinez, PAV0012.4
Johnson, RCR00380 Langston, MBF86191 Martinez, PAV9911.9
Johnson, RCR95374 Decker, JHK75190 Hughes, PTR1411.6
Scott, MDF86373 McDowell, SWW74190 Verlander, JPC18 9.9
Johnson, RCR99369 Ryan, NSF76189 Lee, CWW10 9.5
Ryan, NSF74352 Witt, BPS86184 Halladay, RBV06 8.7
Johnson, RCR01351 Koufax, SSB58184 Shields, JCH07 8.5
Koufax, SSB65348 Jones, SEL55183 Mussina, MCR01 8.0
Ryan, NSF73347 Van Poppel, TCH93182 Maddux, GRO01 7.5
Kershaw, CLW15340 Witt, BPS87180 Radke, BMX04 7.4
Ryan, NCF89338 Gray, JDT54180 Marichal, JAR66 7.4
Johnson, RCR98338 Martin, MBB52177 Hughes, PTR15 7.3
Ryan, NSF76337 Moore, BRS73176 Maddux, GTX97 7.3
Martinez, PAV00336 2 tied with 175 Mussina, MCR03 7.1
           
           
Starts Complete games Innings
           
Stobbs, CSM5045 Spahn, WOK4733 Koufax, SSB66362.2
Lolich, MSB7145 Bunning, JEQ6432 Trout, DSM44362.1
Wood, WMO7245 Trout, DSM4432 Bunning, JEQ67355.2
Wood, WMO7344 Koufax, SSB6632 Blyleven, BEQ73352.1
Niekro, PAA7944 Newhouser, HDT4631 Lolich, MSB71350.1
Wood, WMO7143 Spahn, WOK4931 Bunning, JEQ65343.0
Lolich, MSB7243 Spahn, WEQ5730 Bunning, JEQ66341.1
Wood, WMO7543 Spahn, WEQ5930 Bunning, JEQ64341.0
Sanford, JCH6342 Bunning, JEQ6530 Koufax, SSB63339.0
Drysdale, DNA6542 Blyleven, BEQ7330 Jenkins, FSB74338.2
Krausse, LMO7042 Bunning, JEQ6630 Wood, WMO73338.0
Perry, GSF7242 Spahn, WOK5329 Leonard, DOK42336.0
Niekro, PPS7842 Gooden, DNJ8529 Niekro, PAA79333.2
Sutton, DMO6742 Jones, REQ7529 Blyleven, BEQ72332.2
23 tied with 41 Bunning, JEQ6729 Perry, GSF72332.1
           
           
Hits Runs Earned runs
           
Lamb, RWW73387 Littlefield, DBB57238 Bell, EPS87223
Zahn, GMS80379 Hadley, BSE41236 Arrigo, GWW70209
Todd, JRS77377 Bell, EPS87233 Richard, JHK72200
Lilliquist, DTO90372 Markell, DAR51225 Thompson, MWW74198
Hitchcock, SSP96372 Thompson, MWW74220 Markell, DAR51195
Caldwell, MFP83370 Schmidt, WBB52220 Reynoso, AWI95194
Moore, MCL87369 Arrigo, GWW70217 Hadley, BSE41194
Jansen, LBB54366 Richard, JHK72214 Smith, PPS89193
McCrabb, LSE41366 Martin, MBB52211 Hitchcock, SSP96192
Hudson, SOK42366 Hitchcock, SSP96209 Schmidt, WBB52188
Bell, EPS87364 Spahn, WOK50208 LaPalme, POK51185
Hudson, SAR51364 Posedel, BWW41207 Roberts, DEQ69184
Geishert, VPD69362 Reynoso, AWI95206 Martin, MBB52184
Hughes, JRS76358 Lamb, RWW73206 Cloninger, TCH61183
3 tied with 357 Scarborough, ROK42204 Lamb, RWW73183
           
           
Homeruns Games Save percentage
           
Quevedo, RPM0374 Shellenback, JWW74103 Papelbon, JWW081.000
Myers, BBZ0967 Karl, AAV4399 Kimbrel, CPC121.000
Barria, JBV1967 Wilson, BWW7098 Jenks, BOS071.000
Looper, BLW0964 Kuzava, BDT5497 Robles, HWW19 .979
Campbell, MPS8763 Wilhelm, HHK7295 Garber, GEQ77 .975
Beech, MCC9663 York, JHK7295 Rivera, MRS08 .975
Hernandez, EBV1963 Tekulve, KBL7993 Rodriguez, FMX04 .974
Faul, BEQ6663 Wynn, EBY4292 Kimbrel, CPC14 .973
Blyleven, BDF8762 Schaffernoth, JNA6192 Hoffman, TGW94 .971
McClellan, PCB9162 Fanok, HAR6391 Chapman, ATX14 .969
Schmidt, WBB5262 Heusser, ENA4890 Gregerson, LAY16 .968
Alexander, DFP8360 Beckmann, BAV4289 Labine, CAV57 .967
Hawkins, WSB6060 Kern, JSJ8089 LaRoche, DNA76 .967
Arrigo, GWW7059 Harvey, MKY1888 Soriano, RCH07 .967
Soto, MTC8757 2 tied with 87 2 tied with  .966
           
           
Save Opportunities Saves Blown saves
           
Benitez, ATX9960 Benitez, ATX9957 Jones, DCH9927
Charlton, NCR9559 Jones, DCH9750 Adams, ASF4115
Wilson, CTX0956 Fuentes, BLW0850 Paige, SSM5115
Rojas, MCC9455 Wilson, CTX0950 McMichael, GCH9315
Jones, DCH9754 Montgomery, JSC9048 Kline, SGW0013
Fuentes, BLW0854 Righetti, DCF8647 Delock, INA5213
McMichael, GCH9353 Neshek, PMN1747 Wilson, BWW7013
Eckersley, DAC9251 Robles, HWW1946 Brazoban, YBZ0513
Brantley, JRM9651 Guzman, AAR0946 Hawkins, LVC1313
Taylor, BSY9851 Ruffin, BTB9646 Barr, JAV7713
Ruffin, BTB9650 Eckersley, DAC9246 Moylan, PAV0913
Shaw, JAV9850 Chapman, AWW1245 Graves, DDW0013
Lidge, BBV0450 Putz, JTX0645 Wendell, TPS9713
3 tied with 49 Rojas, MCC9445 Giusti, DNA7313
    Charlton, NCR9545 12 tied with 12
           
           
Hits per 9 innings Strikeouts per 9 innings Walks per 9 innings
           
Koufax, SSB65 4.6 Sale, CAV18 14.0 Halladay, RBV06 0.6
Koufax, SSB64 4.8 Sale, CAV17 13.9 Hughes, PTR14 0.7
Arrieta, JAR15 5.0 Cole, GDW19 13.5 Kershaw, CLW16 0.7
McHugh, CAR14 5.2 Martinez, PAV99 13.4 Tewksbury, BCB93 0.8
Martinez, PAV00 5.2 Scherzer, MMN17 13.0 Radke, BMX04 0.8
Gooden, DNJ85 5.3 Fernandez, J2016 12.7 Hughes, PTR15 0.8
Short, CSB64 5.4 Johnson, RCR01 12.7 Peterson, FAR69 0.8
McDowell, SSB68 5.4 Verlander, JPC18 12.4 Marichal, JAR66 0.8
Ryan, NHD81 5.4 Scherzer, MMN18 12.4 Lee, CWW10 0.8
Bouton, JSB64 5.4 Keller, MNP19 12.4 Maddux, GRO01 0.8
Siebert, SSB68 5.5 Johnson, RCR00 12.3 Anderson, BSL98 0.8
Ryan, NCF89 5.5 Verlander, JPC19 12.3 Swindell, GMP91 0.9
Scherzer, MMN17 5.6 Perez, ORM04 12.2 Tewksbury, BCB94 0.9
Lowe, DRS02 5.6 Scherzer, MMN19 12.2 Maddux, GTX97 0.9
Nippert, DGL05 5.6 Liriano, FRM05 12.2 Byrd, PLW07 0.9