For single seasons, From 1901 to 2007, (requiring IP≥100, ERAp≥200, sopbb≥3, and At least 80% games in relief), sorted by greatest sopbb

  Cnt Player             **K/BB**   IP  ERA  Year Age Tm  Lg  G  GS CG SHO GF  W  L  W-L% SV  H   R   ER  BB  SO   ERA  HR  BF   AB  2B 3B IBB HBP  SH  SF GDP  SB CS Pk BK WP   BA   OBP   SLG   OPS  OPS   Pit  Str
 ----+-----------------+---------+-----+----+----+---+---+--+---+--+--+---+--+--+--+-----+--+---+---+---+---+---+------+--+----+----+--+--+---+---+---+---+---+---+--+--+--+--+-----+-----+-----+-----+----+----+---- 
    1 Keith Foulke         5.86   105.1  221 1999  26 CHW AL  67  0  0   0 31  3  3  .500  9  72  28  26  21 123   2.22 11  411  384 18  0   4   3   3   0   4   1  2  0  0  1  .188  .235  .320  .555   40           
    2 Bruce Sutter         5.61   107.1  327 1977  24 CHC NL  62  0  0   0 48  7  3  .700 31  69  21  16  23 129   1.34  5  411  377 14  2   7   1   9   1   5   7  4  0  0  7  .183  .231  .271  .502   31           
    3 Dan Quisenberry      4.36   139    210 1983  30 KCR AL  69  0  0   0 62  5  3  .625 45 118  35  30  11  48   1.94  6  536  515 18  4   2   0   6   4  19   3  1  1  0  0  .229  .243  .315  .558   52           
    4 Bob James            3.83   110    203 1985  26 CHW AL  69  0  0   0 60  8  7  .533 32  90  31  26  23  88   2.13  5  436  399 16  0   4   2   7   5   9   9  2  1  2  3  .226  .268  .303  .571   53           
    5 Mariano Rivera       3.82   107.2  239 1996  26 NYY AL  61  0  0   0 14  8  3  .727  5  73  25  25  34 130   2.09  1  425  386 12  0   3   2   2   1   6   3  1  1  0  1  .189  .258  .228  .486   24           
    6 Guillermo Mota       3.81   105    204 2003  29 LAD NL  76  0  0   0 18  6  3  .667  1  78  23  23  26  99   1.97  7  410  379  9  2   4   1   3   1   6   8  5  0  0  0  .206  .258  .296  .554   52 1577 1037 
    7 Mark Eichhorn        3.69   157    248 1986  25 TOR AL  69  0  0   0 38 14  6  .700 10 105  32  30  45 166   1.72  8  612  548 23  3  14   7   9   2  12  15  5  0  1  2  .192  .261  .288  .549   47           
    8 Phil Regan           3.67   116.2  203 1966  29 LAD NL  65  0  0   0 48 14  1  .933 21  85  24  21  24  88   1.62  6  445  412  6  2   9   0   6   4  12   2  6  0  0  4  .206  .248  .274  .522   55           
    9 Donnie Moore         3.43   103    216 1985  31 CAL AL  65  0  0   0 57  8  8  .500 31  91  28  22  21  72   1.92  9  417  384  9  1   3   0  10   2   5   3  1  1  0  2  .237  .275  .336  .611   65           
   10 Bruce Sutter         3.35   122.2  229 1984  31 STL NL  71  0  0   0 63  5  7  .417 45 109  26  21  23  77   1.54  9  477  445 15  1   4   1   4   4  18   9  3  0  0  2  .245  .281  .344  .625   82           
   11 John Hiller          3.18   125.1  285 1973  30 DET AL  65  0  0   0 60 10  5  .667 38  89  21  20  39 124   1.44  7  498  449 13  1   7   0   6   4   5   3  2  0  0  1  .198  .260  .278  .538   48           
   12 Willie Hernandez     3.11   140.1  204 1984  29 DET AL  80  0  0   0 68  9  3  .750 32  96  30  30  36 112   1.92  6  548  496 10  1   8   4   9   3   9   4  2  0  0  2  .194  .252  .254  .506   40           
   13 Rich Gossage         3.08   133    243 1977  25 PIT NL  72  0  0   0 55 11  9  .550 26  78  27  24  49 151   1.62  9  523  459 11  0   6   2   7   6   7   9  3  0  0  2  .170  .250  .253  .503   38           

Seasons/Careers found: 13.

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