Spanning Multiple Seasons or entire Careers, From 1901 to 2007, (requiring GS>=299), Stats only available back to 1957, sorted by greatest QSperc

We have these stats only back to 1957
  Cnt Player             **QS%**   GS From  To   Ages   G   CG SHO  GF  W   L   W-L%  SV   IP     H    R   ER   BB   SO    ERA  ERA   HR   BF  IBB HBP  BK  WP Teams
 ----+-----------------+---------+---+----+----+-----+----+---+---+---+---+---+-----+---+------+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
    1 Tom Seaver           .702   647 1967 1986 22-41  656 231  61   6 311 205  .603   1 4782.2 3971 1674 1521 1390 3640   2.86  127 380 19369 116  76   8 126 NYM-TOT-CIN-NYM-CHW 
    2 Pedro Martinez       .699   375 1992 2006 20-34  442  46  17  23 206  92  .691   3 2645.2 2013  907  825  701 2998   2.81  160 213 10582  26 129   5  59 LAD-MON-BOS-NYM 
    3 Mel Stottlemyre      .694   356 1964 1974 22-32  360 152  40   3 164 139  .541   1 2661.1 2435 1003  878  809 1257   2.97  112 171 10972  75  44   1  57 NYY         
    4 Randy Johnson        .682   547 1988 2007 24-43  557  98  37   5 280 148  .654   2 3803.2 3019 1536 1363 1413 4551   3.23  137 363 15671  28 180  31 101 MON-TOT-SEA-ARI-NYY 
    5 Bob Gibson           .680   482 1959 1975 23-39  528 255  56  21 251 174  .591   6 3884.1 3279 1420 1258 1336 3117   2.91  127 257 16068 118 102  13 108 STL         
    6 Don Drysdale         .667   453 1957 1969 20-32  493 165  49  28 204 161  .559   6 3333   2989 1257 1095  824 2431   2.96  120 271 13684 120 151  10  79 BRO-LAD     
    7 Sandy Koufax         .666   299 1957 1966 21-30  369 135  38  39 161  81  .665   9 2224   1655  754  667  760 2336   2.70  134 192  9053  47  17   4  84 BRO-LAD     
    8 Curt Schilling       .663   416 1988 2007 21-40  549  82  19  81 209 139  .601  22 3136   2857 1261 1199  693 3035   3.44  127 329 12757  42  50   8  72 BAL-HOU-PHI-TOT-ARI-BOS 
    9 Kevin Brown          .660   476 1986 2005 21-40  486  72  17   1 211 144  .594   0 3256.1 3079 1357 1185  901 2397   3.28  127 208 13542  42 139  15 108 TEX-BAL-FLA-SDP-LAD-NYY 
   10 Greg Maddux          .659   677 1986 2007 20-41  681 108  35   3 334 205  .620   0 4639.2 4325 1795 1585  947 3183   3.07  136 319 18885 170 126  26  65 CHC-ATL-TOT-SDP 
   11 Roger Clemens        .659   690 1984 2006 21-43  691 118  46   0 348 178  .662   0 4817.2 4086 1833 1661 1549 4604   3.10  144 354 19820  63 154  20 136 BOS-TOR-NYY-HOU 
   12 Steve Rogers         .659   393 1973 1985 23-35  399 129  37   3 158 152  .510   2 2837.2 2619 1122 1001  876 1621   3.17  116 151 11702  75  43   8  87 MON         
   13 Gaylord Perry        .657   690 1962 1983 23-44  777 303  53  33 314 265  .542  11 5350.1 4938 2128 1846 1379 3534   3.11  117 399 21953 164 108   6 160 SFG-CLE-TOT-TEX-SDP-TOT-ATL-SEA 
   14 Claude Osteen        .656   488 1957 1975 17-35  541 140  40  24 196 195  .501   1 3460.1 3471 1435 1268  940 1612   3.30  104 249 14433  93  45   6  67 CIN-TOT-WSA-LAD-CHW 
   15 Jon Matlack          .648   318 1971 1983 21-33  361  97  30  23 125 126  .498   3 2363   2276  970  835  638 1516   3.18  114 161  9789  69  26   9  68 NYM-TEX     
   16 Jim Palmer           .647   521 1965 1984 19-38  558 211  53  15 268 152  .638   4 3948   3349 1395 1253 1311 2212   2.86  125 303 16112  37  38  11  85 BAL         
   17 Tom Glavine          .644   640 1987 2007 21-41  640  55  24   0 293 192  .604   0 4179   4039 1771 1606 1411 2497   3.46  120 326 17591 139  64   7  63 ATL-NYM     
   18 Larry Jackson        .643   403 1957 1968 26-37  470 145  36  37 183 167  .523   9 3000   2942 1268 1109  707 1571   3.33  115 229 12452  87  58   5  50 STL-CHC-TOT-PHI 
   19 Don Sutton           .639   756 1966 1988 21-43  774 178  58  12 324 256  .559   5 5282.1 4692 2104 1914 1343 3574   3.26  108 472 21631 102  82  21 112 LAD-HOU-TOT-MIL-CAL-LAD 
   20 Rick Reuschel        .637   529 1972 1991 23-42  557 102  26  16 214 191  .528   5 3548.1 3588 1494 1330  935 2015   3.37  114 221 14888 117  88  10  89 CHC-TOT-PIT-SFG 
   21 Bob Friend           .636   346 1957 1966 26-35  373 114  26  19 138 154  .473   4 2420.2 2528 1036  908  490 1215   3.38  110 182 10095  93  35   9  34 PIT-TOT     
   22 Larry Dierker        .635   329 1964 1977 17-30  356 106  25  10 139 123  .531   1 2333.2 2130  948  857  711 1493   3.31  104 184  9661  43  50  10 104 HOU-STL     
   23 Juan Marichal        .632   457 1960 1975 22-37  471 244  52  11 243 142  .631   2 3507.1 3153 1329 1126  709 2303   2.89  122 320 14236  82  40  20  51 SFG-BOS-LAD 
   24 Steve Carlton        .630   709 1965 1988 20-43  741 254  55  13 329 244  .574   2 5217.1 4672 2130 1864 1833 4136   3.22  115 414 21683 150  53  90 183 STL-PHI-TOT-MIN 
   25 Orel Hershiser       .629   466 1983 2000 24-41  510  68  25  19 204 150  .576   5 3130.1 2939 1366 1211 1007 2014   3.48  112 235 13150 108 117  23 121 LAD-CLE-SFG-NYM-LAD 
 ----+-----------------+---------+---+----+----+-----+----+---+---+---+---+---+-----+---+------+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
  Cnt Player             **QS%**   GS From  To   Ages   G   CG SHO  GF  W   L   W-L%  SV   IP     H    R   ER   BB   SO    ERA  ERA   HR   BF  IBB HBP  BK  WP Teams
 ----+-----------------+---------+---+----+----+-----+----+---+---+---+---+---+-----+---+------+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
   26 Bert Blyleven        .626   685 1970 1992 19-41  692 242  60   3 287 250  .534   0 4970   4632 2029 1830 1322 3701   3.31  118 430 20491  71 155  19 114 MIN-TOT-TEX-PIT-CLE-MIN-CAL 
   27 Jim Bunning          .626   508 1957 1971 25-39  561 151  40  31 216 178  .548  14 3656   3319 1465 1308  940 2784   3.22  116 358 15132  92 157   8  43 DET-PHI-PIT-TOT 
   28 Whitey Ford          .626   305 1957 1967 28-38  342  91  30  19 156  78  .667   5 2161.1 1947  766  661  626 1384   2.75  130 165  8869  34  16   4  55 NYY         
   29 John Smoltz          .624   434 1988 2007 21-40  675  53  16 204 195 138  .586 154 3193   2792 1267 1165  949 2800   3.28  126 260 13100  75  52  16 136 ATL         
   30 Nolan Ryan           .622   773 1966 1993 19-46  807 222  61  13 324 292  .526   3 5386   3923 2178 1911 2795 5714   3.19  112 321 22575  78 158  33 277 NYM-CAL-HOU-TEX 
   31 Jerry Koosman        .622   527 1967 1985 24-42  612 140  33  43 222 209  .515  17 3839.1 3635 1608 1433 1198 2556   3.36  110 290 15996 121  71  29  89 NYM-MIN-TOT-CHW-PHI 
   32 Mike Mussina         .621   477 1991 2007 22-38  477  57  23   0 239 135  .639   0 3216.1 3069 1390 1302  723 2576   3.64  124 345 13151  24  49   1  66 BAL-NYY     
   33 Dave McNally         .621   396 1962 1975 19-32  424 120  33   7 184 119  .607   2 2730   2488 1070  982  826 1512   3.24  106 230 11229  56  72  11  59 BAL-MON     
   34 Catfish Hunter       .620   476 1965 1979 19-33  500 181  42   6 224 166  .574   1 3449.1 2958 1380 1248  954 2012   3.26  104 374 14032  57  49   7  49 KCA-OAK-NYY 
   35 Phil Niekro          .617   716 1964 1987 25-48  864 245  45  83 318 274  .537  29 5404.1 5044 2337 2012 1809 3342   3.35  115 482 22677  86 123  42 226 MLN-ATL-NYY-CLE-TOT 
   36 David Cone           .616   419 1986 2003 23-40  450  56  22   9 194 126  .606   1 2898.2 2504 1222 1115 1137 2668   3.46  120 258 12184  42 106  32 149 KCR-NYM-TOT-KCR-NYY-BOS 
   37 Tommy John           .616   700 1963 1989 20-46  760 162  46  22 288 231  .555   4 4710.1 4783 2017 1749 1259 2245   3.34  111 302 19692 102  98  16 187 CLE-CHW-LAD-NYY-TOT-CAL 
   38 Burt Hooton          .615   377 1971 1985 21-35  480  86  29  35 151 136  .526   7 2652   2497 1112  996  799 1491   3.38  108 193 11025  58  20   4  62 CHC-TOT-LAD-TEX 
   39 Dwight Gooden        .612   410 1984 2000 19-35  430  68  24   4 194 112  .634   3 2800.2 2564 1198 1091  954 2293   3.51  110 210 11705  42  78  33  76 NYM-NYY-CLE-TOT 
   40 Jimmy Key            .609   389 1984 1998 23-37  470  34  13  28 186 117  .614  10 2591.2 2518 1104 1010  668 1538   3.51  122 254 10719  29  38  12  50 TOR-NYY-BAL 
   41 Al Downing           .609   317 1961 1977 20-36  405  73  24  37 123 107  .535   3 2268.1 1946  938  811  933 1639   3.22  106 177  9539  32  31  11  77 NYY-TOT-LAD 
   42 Fritz Peterson       .609   330 1966 1976 24-34  355  90  20   9 133 131  .504   1 2218.1 2217  947  813  426 1015   3.30  101 173  9103  75  42   6  33 NYY-TOT-CLE 
   43 Andy Benes           .607   387 1989 2002 21-34  403  21   9   6 155 139  .527   1 2505.1 2377 1206 1106  909 2000   3.97  104 289 10645  52  55  16  63 SDP-TOT-STL-ARI 
   44 Bob Welch            .606   462 1978 1994 21-37  506  61  28  20 211 146  .591   8 3092   2894 1310 1191 1034 1969   3.47  106 267 12956  60  79  45  55 LAD-OAK     
   45 Bret Saberhagen      .604   371 1984 2001 20-37  399  76  16  13 167 117  .588   1 2562.2 2452 1036  952  471 1715   3.34  126 218 10421  34  59  12  53 KCR-NYM-TOT-BOS 
   46 Ron Guidry           .604   323 1975 1988 24-37  368  95  26  24 170  91  .651   4 2392   2198  953  874  633 1778   3.29  120 226  9794  24  13   8  56 NYY         
   47 Fergie Jenkins       .603   594 1965 1983 22-40  664 267  49  37 284 226  .557   7 4500.2 4142 1853 1669  997 3192   3.34  115 484 18400 116  84  18  62 PHI-TOT-CHC-TEX-BOS-CHC 
   48 Ron Darling          .602   364 1983 1995 22-34  382  37  13   5 136 116  .540   0 2360.1 2244 1139 1016  906 1590   3.87   95 239 10032  40  59  24  97 NYM-TOT-OAK 
   49 Mike Scott           .602   319 1979 1991 24-36  347  45  22  13 124 108  .534   3 2068.2 1858  908  813  627 1469   3.54  100 173  8571  53  33  19  39 NYM-HOU     
   50 Chris Short          .601   308 1959 1973 21-35  501  88  24  78 135 132  .506  18 2325   2215  991  886  806 1629   3.43  103 183  9801  74  61   6  73 PHI-MIL     

 Photos from the George Grantham Bain Collection at the Library of Congress.