Spanning Multiple Seasons or entire Careers, From 1940 to 2008, (requiring At least 3000 Innings Pitched), sorted by smallest BBp9

  Cnt Player             **BB/9**   IP   From  To   Ages   G   GS  CG SHO  GF  W   L   W-L%  SV   H    R   ER   BB   SO    ERA  ERA   HR   BF  IBB HBP  BK  WP Teams
 ----+-----------------+---------+------+----+----+-----+----+---+---+---+---+---+---+-----+---+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
    1 Robin Roberts        1.73   4688.2 1948 1966 21-39  676 609 305  45  49 286 245  .539  25 4582 1962 1774  902 2357   3.41  113 505 19174  69  54   3  33 PHI-BAL-TOT 
    2 Greg Maddux          1.80   4892   1986 2008 20-42  724 720 109  35   3 350 218  .616   0 4602 1912 1695  981 3315   3.12  134 338 19936 175 131  27  68 CHC-ATL-TOT-SDP 
    3 Juan Marichal        1.82   3507.1 1960 1975 22-37  471 457 244  52  11 243 142  .631   2 3153 1329 1126  709 2303   2.89  123 320 14236  82  40  20  51 SFG-BOS-LAD 
    4 Lew Burdette         1.84   3067.1 1950 1967 23-40  626 373 158  33 128 203 144  .585  31 3186 1400 1246  628 1074   3.66   98 289 12745  63  56   7  23 NYY-BSN-MLN-TOT-CAL 
    5 David Wells          1.88   3439   1987 2007 24-44  660 489  54  12  65 239 157  .604  13 3635 1702 1578  719 2201   4.13  108 407 14413  65  83  17 101 TOR-DET-TOT-BAL-NYY-TOR-CHW-NYY-SDP-BOS-TOT 
    6 Curt Schilling       1.96   3261   1988 2007 21-40  569 436  83  20  81 216 146  .597  22 2998 1318 1253  711 3116   3.46  127 347 13284  43  52   8  72 BAL-HOU-PHI-TOT-ARI-BOS 
    7 Fergie Jenkins       1.99   4500.2 1965 1983 22-40  664 594 267  49  37 284 226  .557   7 4142 1853 1669  997 3192   3.34  115 484 18400 116  84  18  62 PHI-TOT-CHC-TEX-BOS-CHC 
    8 Mike Mussina         2.01   3429.2 1991 2008 22-39  516 515  57  23   0 259 148  .636   0 3321 1513 1413  765 2702   3.71  122 368 14058  26  56   1  69 BAL-NYY     
    9 Dennis Eckersley     2.02   3285.2 1975 1998 20-43 1071 361 100  20 577 197 171  .535 390 3076 1382 1278  738 2401   3.50  116 347 13534  91  75  16  28 CLE-BOS-TOT-CHC-OAK-STL 
   10 Jim Kaat             2.15   4530.1 1959 1983 20-44  898 625 180  31 102 283 237  .544  18 4620 2038 1738 1083 2461   3.45  107 395 19021 116 122   6 128 WSH-MIN-TOT-CHW-PHI-TOT-STL 
   11 Bob Friend           2.23   3611   1951 1966 20-35  602 497 163  36  56 197 230  .461  11 3772 1652 1438  894 1734   3.58  107 286 15214 115  46  13  50 PIT-TOT     
   12 Don Drysdale         2.24   3432   1956 1969 19-32  518 465 167  49  34 209 166  .557   6 3084 1292 1124  855 2486   2.95  121 280 14097 123 154  10  82 BRO-LAD     
   13 Larry Jackson        2.27   3262.2 1955 1968 24-37  558 429 149  37  73 194 183  .515  20 3206 1405 1233  824 1709   3.40  113 259 13593 106  68   6  56 STL-CHC-TOT-PHI 
   14 Don Sutton           2.29   5282.1 1966 1988 21-43  774 756 178  58  12 324 256  .559   5 4692 2104 1914 1343 3574   3.26  108 472 21631 102  82  21 112 LAD-HOU-TOT-MIL-CAL-LAD 
   15 Rick Wise            2.31   3127   1964 1982 18-36  506 455 138  30  15 188 181  .509   0 3227 1455 1281  804 1647   3.69  101 261 13157  83  44   9  49 PHI-STL-BOS-CLE-SDP 
   16 Gaylord Perry        2.32   5350.1 1962 1983 23-44  777 690 303  53  33 314 265  .542  11 4938 2128 1846 1379 3534   3.11  117 399 21953 164 108   6 160 SFG-CLE-TOT-TEX-SDP-TOT-ATL-SEA 
   17 Rick Reuschel        2.37   3548.1 1972 1991 23-42  557 529 102  26  16 214 191  .528   5 3588 1494 1330  935 2015   3.37  114 221 14888 117  88  10  89 CHC-TOT-PIT-SFG 
   18 Bert Blyleven        2.39   4970   1970 1992 19-41  692 685 242  60   3 287 250  .534   0 4632 2029 1830 1322 3701   3.31  118 430 20491  71 155  19 114 MIN-TOT-TEX-PIT-CLE-MIN-CAL 
   19 Jim Bunning          2.39   3760.1 1955 1971 23-39  591 519 151  40  39 224 184  .549  16 3433 1527 1366 1000 2855   3.27  114 372 15618  98 160   8  47 DET-PHI-PIT-TOT 
   20 Tommy John           2.41   4710.1 1963 1989 20-46  760 700 162  46  22 288 231  .555   4 4783 2017 1749 1259 2245   3.34  110 302 19692 102  98  16 187 CLE-CHW-LAD-NYY-TOT-CAL 
   21 Milt Pappas          2.42   3186   1957 1973 18-34  520 465 129  43  33 209 164  .560   4 3046 1331 1203  858 1728   3.40  110 298 13198  89  72   6  97 BAL-CIN-TOT-ATL-CHC 
   22 Claude Osteen        2.44   3460.1 1957 1975 17-35  541 488 140  40  24 196 195  .501   1 3471 1435 1268  940 1612   3.30  104 249 14433  93  45   6  67 CIN-TOT-WSA-LAD-CHW 
   23 Warren Spahn         2.46   5243.2 1942 1965 21-44  750 665 382  63  68 363 245  .597  29 4830 2016 1798 1434 2583   3.09  118 434 21547  60  42   5  81 BSN-MLN-TOT 
   24 Kevin Brown          2.49   3256.1 1986 2005 21-40  486 476  72  17   1 211 144  .594   0 3079 1357 1185  901 2397   3.28  127 208 13542  42 139  15 108 TEX-BAL-FLA-SDP-LAD-NYY 
   25 Catfish Hunter       2.49   3449.1 1965 1979 19-33  500 476 181  42   6 224 166  .574   1 2958 1380 1248  954 2012   3.26  104 374 14032  57  49   7  49 KCA-OAK-NYY 
 ----+-----------------+---------+------+----+----+-----+----+---+---+---+---+---+---+-----+---+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
  Cnt Player             **BB/9**   IP   From  To   Ages   G   GS  CG SHO  GF  W   L   W-L%  SV   H    R   ER   BB   SO    ERA  ERA   HR   BF  IBB HBP  BK  WP Teams
 ----+-----------------+---------+------+----+----+-----+----+---+---+---+---+---+---+-----+---+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
   26 Jamie Moyer          2.56   3625.1 1986 2008 23-45  617 564  31   9  14 236 181  .566   0 3770 1837 1700 1030 2165   4.22  105 455 15432  64 120  11  53 CHC-TEX-STL-BAL-TOT-SEA-PHI 
   27 Danny Darwin         2.61   3016.2 1978 1998 22-42  716 371  53   9 171 171 182  .484  32 2951 1431 1286  874 1942   3.84  106 321 12716 101  81  17  52 TEX-MIL-TOT-HOU-BOS-TOT-SFG 
   28 Doyle Alexander      2.61   3367.2 1971 1989 20-38  561 464  98  18  56 194 174  .527   3 3376 1541 1406  978 1528   3.76  103 324 14162  60  53  10  74 LAD-BAL-TOT-TEX-ATL-SFG-NYY-TOT-TOR-DET 
   29 Dennis Martinez      2.62   3999.2 1976 1998 21-43  692 562 122  30  51 245 193  .559   8 3897 1835 1643 1165 2149   3.70  106 372 16754  71 122  30  89 BAL-TOT-MON-CLE-SEA-ATL 
   30 Tom Seaver           2.62   4782.2 1967 1986 22-41  656 647 231  61   6 311 205  .603   1 3971 1674 1521 1390 3640   2.86  127 380 19369 116  76   8 126 NYM-TOT-CIN-NYM-CHW 
   31 John Smoltz          2.63   3395   1988 2008 21-41  708 466  53  16 204 210 147  .588 154 2979 1336 1229  992 3011   3.26  127 277 13927  82  54  16 145 ATL         
   32 Frank Tanana         2.70   4188.1 1973 1993 19-39  638 616 143  34  10 240 236  .504   1 4063 1910 1704 1255 2773   3.66  106 448 17641 116 129  27 119 CAL-BOS-TEX-TOT-DET 
   33 Mickey Lolich        2.72   3638.1 1963 1979 22-38  586 496 195  41  40 217 191  .532  11 3366 1537 1390 1099 2832   3.44  105 347 15140  67  92   8 124 DET-NYM-SDP 
   34 Jim Perry            2.73   3285.2 1959 1975 23-39  630 447 109  32  64 215 174  .553  10 3127 1407 1258  998 1576   3.45  106 308 13732  93  80   3  55 CLE-TOT-MIN-DET-CLE 
   35 Jerry Reuss          2.76   3669.2 1969 1990 20-41  628 547 127  39  41 220 191  .535  11 3734 1700 1483 1127 1907   3.64  100 245 15582 118  59  23 107 STL-HOU-PIT-LAD-TOT-CHW-PIT 
   36 Jerry Koosman        2.81   3839.1 1967 1985 24-42  612 527 140  33  43 222 209  .515  17 3635 1608 1433 1198 2556   3.36  110 290 15996 121  71  29  89 NYM-MIN-TOT-CHW-PHI 
   37 Luis Tiant           2.85   3486.1 1964 1982 23-41  573 484 187  49  51 229 172  .571  15 3075 1400 1280 1104 2416   3.30  114 346 14365  53  49   4  27 CLE-MIN-BOS-NYY-PIT-CAL 
   38 Curt Simmons         2.86   3348.1 1947 1967 18-38  569 462 163  36  54 193 183  .513   5 3313 1551 1318 1063 1697   3.54  111 255 14144  62  53   4  39 PHI-TOT-STL 
   39 Roger Clemens        2.89   4916.2 1984 2007 21-44  709 707 118  46   0 354 184  .658   0 4185 1885 1707 1580 4672   3.12  143 363 20240  63 159  20 143 BOS-TOR-NYY-HOU 
   40 Orel Hershiser       2.90   3130.1 1983 2000 24-41  510 466  68  25  19 204 150  .576   5 2939 1366 1211 1007 2014   3.48  112 235 13150 108 117  23 121 LAD-CLE-SFG-NYM-LAD 
   41 Jim Palmer           2.99   3948   1965 1984 19-38  558 521 211  53  15 268 152  .638   4 3349 1395 1253 1311 2212   2.86  126 303 16112  37  38  11  85 BAL         
   42 Bob Welch            3.01   3092   1978 1994 21-37  506 462  61  28  20 211 146  .591   8 2894 1310 1191 1034 1969   3.47  106 267 12956  60  79  45  55 LAD-OAK     
   43 Phil Niekro          3.01   5404.1 1964 1987 25-48  864 716 245  45  83 318 274  .537  29 5044 2337 2012 1809 3342   3.35  115 482 22677  86 123  42 226 MLN-ATL-NYY-CLE-TOT 
   44 Tom Glavine          3.05   4406.1 1987 2008 21-42  680 680  56  25   0 305 201  .603   0 4285 1889 1723 1492 2604   3.52  118 353 18565 143  66   7  65 ATL-NYM     
   45 Whitey Ford          3.08   3170.1 1950 1967 21-38  498 438 156  45  35 236 106  .690  10 2766 1107  967 1086 1956   2.75  133 228 13036  44  28   5  75 NYY         
   46 Bob Gibson           3.10   3884.1 1959 1975 23-39  528 482 255  56  21 251 174  .591   6 3279 1420 1258 1336 3117   2.91  127 257 16068 118 102  13 108 STL         
   47 Murry Dickson        3.12   3048.2 1940 1959 23-42  624 338 149  27 146 172 181  .487  23 3028 1431 1240 1057 1279   3.66  109 302 12924  18  37   2  34 STL-PIT-PHI-TOT-STL-KCA 
   48 Steve Carlton        3.16   5217.1 1965 1988 20-43  741 709 254  55  13 329 244  .574   2 4672 2130 1864 1833 4136   3.22  115 414 21683 150  53  90 183 STL-PHI-TOT-MIN 
   49 Joe Niekro           3.17   3584   1967 1988 22-43  702 500 107  29  93 221 204  .520  16 3466 1620 1431 1262 1747   3.59   97 276 15166  71  65   8 172 CHC-TOT-DET-ATL-HOU-NYY-MIN 
   50 Vida Blue            3.19   3343.1 1969 1986 19-36  502 473 143  37  11 209 161  .565   2 2939 1357 1213 1185 2175   3.27  108 263 13837  61  23  13 103 OAK-SFG-KCR 
 ----+-----------------+---------+------+----+----+-----+----+---+---+---+---+---+---+-----+---+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
  Cnt Player             **BB/9**   IP   From  To   Ages   G   GS  CG SHO  GF  W   L   W-L%  SV   H    R   ER   BB   SO    ERA  ERA   HR   BF  IBB HBP  BK  WP Teams
 ----+-----------------+---------+------+----+----+-----+----+---+---+---+---+---+---+-----+---+----+----+----+----+----+------+----+---+-----+---+---+---+---+----------- 
   51 Kenny Rogers         3.20   3195.2 1989 2008 24-43  744 456  36   9 133 214 147  .593  28 3328 1665 1499 1136 1916   4.22  109 325 13807  51 121  23  78 TEX-NYY-OAK-TOT-TEX-MIN-DET 
   52 Billy Pierce         3.21   3306.2 1945 1964 18-37  585 432 193  38  84 211 169  .555  32 2989 1325 1201 1178 1999   3.27  119 284 13853  35  30  10  48 DET-CHW-SFG 
   53 Jack Morris          3.27   3824   1977 1994 22-39  549 527 175  28  10 254 186  .577   0 3567 1815 1657 1390 2478   3.90  105 389 16120  99  58  27 206 DET-MIN-TOR-CLE 
   54 Randy Johnson        3.30   3913.1 1988 2008 24-44  576 566  98  37   5 288 152  .655   2 3124 1587 1406 1437 4680   3.23  138 375 16128  29 185  32 103 MON-TOT-SEA-ARI-NYY 
   55 Early Wynn           3.50   4543.2 1941 1963 21-43  688 609 289  49  66 300 242  .554  15 4265 2022 1783 1765 2333   3.53  107 338 19311  36  64   2  49 WSH-CLE-CHW 
   56 Bob Feller           3.73   3042   1940 1956 21-37  452 386 221  38  37 211 132  .615  17 2651 1219 1085 1261 1869   3.21  119 193 12759   6  44   6  43 CLE         
   57 Chuck Finley         3.75   3197.1 1986 2002 23-39  524 467  63  15  24 200 173  .536   0 3069 1517 1366 1332 2610   3.85  115 304 13638  36  76  22 130 CAL-ANA-CLE-TOT 
   58 Charlie Hough        3.94   3801.1 1970 1994 22-46  858 440 107  13 240 216 216  .500  61 3283 1807 1582 1665 2362   3.75  107 383 16170  44 174  42 179 LAD-TOT-TEX-CHW-FLA 
   59 Mike Torrez          4.05   3044   1967 1984 20-37  494 458 117  15  13 185 160  .536   0 3043 1501 1340 1371 1404   3.96   98 223 13179  84  59  11 103 STL-TOT-MON-BAL-OAK-BOS-NYM 
   60 Nolan Ryan           4.67   5386   1966 1993 19-46  807 773 222  61  13 324 292  .526   3 3923 2178 1911 2795 5714   3.19  111 321 22575  78 158  33 277 NYM-CAL-HOU-TEX 

Seasons/Careers found: 60.

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