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Progressive Leaders & Records for Bases On Balls per 9 IP


Baseball Leaders & Baseball Records:  Single-Season  Career  Active  Progressive  Yearly League 

+ - Indicates Hall of Famer. Bold indicates active player.

Minimum of 3.1 PA/G, 1.0 IP/G, and 0.1 decision/G for single-season leaderboards generally needed for rate statistics. Explanation of min. requirements

Minimum of 1000 IP, 3000 PA and 100 decisions for career and active leaderboards for rate statistics.

This table lists the career, single-season, active, yearly (meaning perfomances solely from that year) leaders following each season of Major League Baseball. Note that a player is considered active between the first and last season of their career. Entries under Single-Season from 1871-1875 are not carried forward past 1875. Entries under Career and Active do include totals from the 1871-1875 seasons.

Year CareerBB/9  Single-SeasonBB/9  ActiveBB/9  YearlyBB/9
1871 George Zettlein 0.9349 George Zettlein 0.9349
1872 Frank Buttery 0.1837 Frank Buttery 0.1837
1873 Al Spalding+ 0.7218 Frank Buttery 0.1837 Al Spalding+ 0.7218 Hugh Campbell 0.3818
1874 Candy Cummings+ 0.5555 Tommy Bond 0.1811 Candy Cummings+ 0.5555 Tommy Bond 0.1811
1875 Candy Cummings+ 0.4556 Candy Cummings+ 0.1295 Candy Cummings+ 0.4556 Candy Cummings+ 0.1295
1876 Tommy Bond 0.2363 George Zettlein 0.2308 Tommy Bond 0.2363 George Zettlein 0.2308
1877 Tommy Bond 0.3493 George Zettlein 0.2308 Tommy Bond 0.3493 Tommy Bond 0.6219
1878 Tommy Bond 0.3973 George Zettlein 0.2308 Tommy Bond 0.3973 Sam Weaver 0.4935
1879 Tommy Bond 0.3957 George Zettlein 0.2308 Tommy Bond 0.3957 Tommy Bond 0.3890
1880 Tommy Bond 0.4582 George Zettlein 0.2308 Tommy Bond 0.4582 George Bradley 0.2755
1881 Tommy Bond 0.4601 George Zettlein 0.2308 Tommy Bond 0.4601 Pud Galvin+ 0.8734
1882 Tommy Bond 0.4769 George Zettlein 0.2308 Tommy Bond 0.4769 Guy Hecker 0.4327
1883 Tommy Bond 0.4769 George Zettlein 0.2308 Tommy Bond 0.4769 Jim Whitney 0.6128
1884 Al Spalding+ 0.4857 George Zettlein 0.2308 Tommy Bond 0.4911 Henry Boyle 0.6000
1885 Al Spalding+ 0.4857 George Zettlein 0.2308 Sam Weaver 0.7325 Jim Whitney 0.7545
1886 Al Spalding+ 0.4857 George Zettlein 0.2308 Sam Weaver 0.7400 Jim Whitney 1.2595
1887 Al Spalding+ 0.4857 George Zettlein 0.2308 Pud Galvin+ 0.8836 Jim Whitney 0.9341
1888 Al Spalding+ 0.4857 George Zettlein 0.2308 Pud Galvin+ 0.9017 Ben Sanders 1.0787
1889 Al Spalding+ 0.4857 George Zettlein 0.2308 Pud Galvin+ 0.9754 Pud Galvin+ 2.0587
1890 Al Spalding+ 0.4857 George Zettlein 0.2308 Pud Galvin+ 1.0166 Scott Stratton 1.2738
1891 Al Spalding+ 0.4857 George Zettlein 0.2308 Pud Galvin+ 1.0694 Scott Stratton 1.8441
1892 Al Spalding+ 0.4857 George Zettlein 0.2308 Pud Galvin+ 1.1169 Scott Stratton 1.7915
1893 Al Spalding+ 0.4857 George Zettlein 0.2308 Scott Stratton 1.9426 Cy Young+ 2.1932
1894 Al Spalding+ 0.4857 George Zettlein 0.2308 Scott Stratton 2.0299 Cy Young+ 2.3344
1895 Al Spalding+ 0.4857 George Zettlein 0.2308 Scott Stratton 2.0644 Cy Young+ 1.8260
1896 Al Spalding+ 0.4857 George Zettlein 0.2308 Cy Young+ 2.1616 Cy Young+ 1.3467
1897 Al Spalding+ 0.4857 George Zettlein 0.2308 Cy Young+ 2.0674 Cy Young+ 1.3217
1898 Al Spalding+ 0.4857 George Zettlein 0.2308 Cy Young+ 1.9445 Cy Young+ 0.9771
1899 Al Spalding+ 0.4857 George Zettlein 0.2308 Cy Young+ 1.8579 Cy Young+ 1.0722
1900 Al Spalding+ 0.4857 George Zettlein 0.2308 Jesse Tannehill 1.6972 Cy Young+ 1.0083
1901 Al Spalding+ 0.4857 George Zettlein 0.2308 Jesse Tannehill 1.6168 Cy Young+ 0.8968
1902 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.3099 Deacon Phillippe 0.8603
1903 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2290 Deacon Phillippe 0.9021
1904 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2469 Cy Young+ 0.6868
1905 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2911 Cy Young+ 0.8420
1906 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2683 Cy Young+ 0.7822
1907 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2909 Doc White 1.1753
1908 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2958 Addie Joss+ 0.8308
1909 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2778 Addie Joss+ 1.1497
1910 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2491 Ed Walsh+ 1.4851
1911 Al Spalding+ 0.4857 George Zettlein 0.2308 Deacon Phillippe 1.2532 Christy Mathewson+ 1.1140
1912 Al Spalding+ 0.4857 George Zettlein 0.2308 Nick Altrock 1.5925 Christy Mathewson+ 0.9871
1913 Al Spalding+ 0.4857 George Zettlein 0.2308 Nick Altrock 1.6071 Christy Mathewson+ 0.6176
1914 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.5582 Christy Mathewson+ 0.6635
1915 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.5138 Christy Mathewson+ 0.9677
1916 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.5129 Dick Rudolph 1.0962
1917 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.5129 Pete Alexander+ 1.2990
1918 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.5139 Slim Sallee 0.8182
1919 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.4211 Babe Adams 0.7861
1920 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.3301 Babe Adams 0.6160
1921 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.3097 Babe Adams 1.0125
1922 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.2760 Babe Adams 0.7879
1923 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.2840 Pete Alexander+ 0.8852
1924 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.2757 Rube Benton 1.3279
1925 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.2837 Pete Alexander+ 1.1059
1926 Al Spalding+ 0.4857 George Zettlein 0.2308 Babe Adams 1.2920 Pete Donohue 1.2287
1927 Al Spalding+ 0.4857 George Zettlein 0.2308 Pete Donohue 1.6135 Pete Alexander+ 1.2761
1928 Al Spalding+ 0.4857 George Zettlein 0.2308 Pete Donohue 1.6393 Eddie Rommel 1.3474
1929 Al Spalding+ 0.4857 George Zettlein 0.2308 Pete Alexander+ 1.6456 Jack Russell 1.5836
1930 Al Spalding+ 0.4857 George Zettlein 0.2308 Pete Alexander+ 1.6491 Herb Pennock+ 1.1514
1931 Al Spalding+ 0.4857 George Zettlein 0.2308 Pete Donohue 1.7831 Syl Johnson 1.4032
1932 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.6978 Bill Swift 1.0918
1933 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.5842 Red Lucas 0.7375
1934 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.6268 Carl Hubbell+ 1.0639
1935 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.6280 Watty Clark 1.2174
1936 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.6057 Red Lucas 1.3321
1937 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.6074 Dizzy Dean+ 1.5051
1938 Al Spalding+ 0.4857 George Zettlein 0.2308 Red Lucas 1.6109 Curt Davis 1.4019
1939 Al Spalding+ 0.4857 George Zettlein 0.2308 Carl Hubbell+ 1.6713 Paul Derringer 1.0465
1940 Al Spalding+ 0.4857 George Zettlein 0.2308 Carl Hubbell+ 1.7253 Paul Derringer 1.4562
1941 Al Spalding+ 0.4857 George Zettlein 0.2308 Carl Hubbell+ 1.7829 Curt Davis 1.5745
1942 Al Spalding+ 0.4857 George Zettlein 0.2308 Carl Hubbell+ 1.7901 Tiny Bonham 0.9558
1943 Al Spalding+ 0.4857 George Zettlein 0.2308 Carl Hubbell+ 1.8174 Schoolboy Rowe 1.3116
1944 Al Spalding+ 0.4857 George Zettlein 0.2308 Paul Derringer 1.8622 Lum Harris 1.3423
1945 Al Spalding+ 0.4857 George Zettlein 0.2308 Tiny Bonham 1.5364 Tiny Bonham 1.0959
1946 Al Spalding+ 0.4857 George Zettlein 0.2308 Tiny Bonham 1.5756 Tex Hughson 1.6511
1947 Al Spalding+ 0.4857 George Zettlein 0.2308 Tiny Bonham 1.6353 Larry Jansen 2.0685
1948 Al Spalding+ 0.4857 George Zettlein 0.2308 Tiny Bonham 1.6252 Preacher Roe 1.6717
1949 Al Spalding+ 0.4857 George Zettlein 0.2308 Tiny Bonham 1.6654 Dave Koslo 1.8255
1950 Al Spalding+ 0.4857 George Zettlein 0.2308 Larry Jansen 1.9365 Ken Raffensberger 1.5063
1951 Al Spalding+ 0.4857 George Zettlein 0.2308 Larry Jansen 1.9098 Fred Hutchinson 1.2903
1952 Al Spalding+ 0.4857 George Zettlein 0.2308 Ken Raffensberger 1.8894 Robin Roberts+ 1.2273
1953 Al Spalding+ 0.4857 George Zettlein 0.2308 Ken Raffensberger 1.8745 Robin Roberts+ 1.5837
1954 Al Spalding+ 0.4857 George Zettlein 0.2308 Ken Raffensberger 1.8781 Robin Roberts+ 1.4970
1955 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.9161 Don Newcombe 1.4636
1956 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.8357 Robin Roberts+ 1.2108
1957 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.8107 Don Newcombe 1.4950
1958 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.8013 Lew Burdette 1.6344
1959 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7575 Don Newcombe 1.0946
1960 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7268 Lew Burdette 1.1427
1961 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7281 Lew Burdette 1.0906
1962 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7379 Dick Donovan 1.6875
1963 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7195 Dick Donovan 1.2233
1964 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7462 Jim Bunning+ 1.4560
1965 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7325 Ralph Terry 1.2495
1966 Al Spalding+ 0.4857 George Zettlein 0.2308 Robin Roberts+ 1.7314 Juan Marichal+ 1.0542
1967 Al Spalding+ 0.4857 George Zettlein 0.2308 Dick Hall 1.7684 Jim Merritt 1.1859
1968 Al Spalding+ 0.4857 George Zettlein 0.2308 Dick Hall 1.7350 Fritz Peterson 1.2292
1969 Al Spalding+ 0.4857 George Zettlein 0.2308 Dick Hall 1.7065 Fritz Peterson 1.4228
1970 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.5381 Fritz Peterson 1.3828
1971 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.5074 Fergie Jenkins+ 1.0246
1972 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.5186 Milt Pappas 1.3385
1973 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.6057 Juan Marichal+ 1.6061
1974 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.6522 Fergie Jenkins+ 1.2335
1975 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.7071 Gary Nolan 1.2389
1976 Al Spalding+ 0.4857 George Zettlein 0.2308 Fritz Peterson 1.7283 Gary Nolan 1.0153
1977 Al Spalding+ 0.4857 George Zettlein 0.2308 Fergie Jenkins+ 1.8223 Dave Rozema 1.4015
1978 Al Spalding+ 0.4857 George Zettlein 0.2308 Fergie Jenkins+ 1.7985 Fergie Jenkins+ 1.4819
1979 Al Spalding+ 0.4857 George Zettlein 0.2308 Fergie Jenkins+ 1.8675 Scott McGregor 1.1851
1980 Al Spalding+ 0.4857 George Zettlein 0.2308 Fergie Jenkins+ 1.8920 Bob Forsch 1.3835
1981 Al Spalding+ 0.4857 George Zettlein 0.2308 Fergie Jenkins+ 1.9308 Rick Honeycutt 1.1984
1982 Al Spalding+ 0.4857 George Zettlein 0.2308 Lary Sorensen 1.9313 Doug Bird 1.4136
1983 Al Spalding+ 0.4857 George Zettlein 0.2308 Scott McGregor 1.8820 La Marr Hoyt 1.0703
1984 Al Spalding+ 0.4857 George Zettlein 0.2308 Scott McGregor 1.9534 Bill Gullickson 1.4691
1985 Al Spalding+ 0.4857 George Zettlein 0.2308 La Marr Hoyt 1.6480 La Marr Hoyt 0.8558
1986 Al Spalding+ 0.4857 George Zettlein 0.2308 La Marr Hoyt 1.9148 Doyle Alexander 1.4584
1987 Al Spalding+ 0.4857 George Zettlein 0.2308 Lary Sorensen 2.0882 Bill Long 1.4911
1988 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.8141 Bryn Smith 1.4545
1989 Al Spalding+ 0.4857 George Zettlein 0.2308 Dan Quisenberry 1.3804 Jimmy Key 1.1250
1990 Al Spalding+ 0.4857 George Zettlein 0.2308 Dan Quisenberry 1.3974 Danny Darwin 1.7152
1991 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.7942 Zane Smith 1.1447
1992 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.8328 Bob Tewksbury 0.7725
1993 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.7788 Bob Tewksbury 0.8424
1994 Al Spalding+ 0.4857 George Zettlein 0.2308 Bob Tewksbury 1.3886 Bret Saberhagen 0.6598
1995 Al Spalding+ 0.4857 George Zettlein 0.2308 Bob Tewksbury 1.3886 Greg Maddux 0.9873
1996 Al Spalding+ 0.4857 George Zettlein 0.2308 Bob Tewksbury 1.4557 Greg Maddux 1.0286
1997 Al Spalding+ 0.4857 George Zettlein 0.2308 Bob Tewksbury 1.4759 Greg Maddux 0.7736
1998 Al Spalding+ 0.4857 George Zettlein 0.2308 Bob Tewksbury 1.4543 Brian Anderson 1.0385
1999 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.6639 Shane Reynolds 1.4374
2000 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.6639 David Wells 1.2148
2001 Al Spalding+ 0.4857 George Zettlein 0.2308 Bret Saberhagen 1.6541 Brad Radke 1.0354
2002 Al Spalding+ 0.4857 George Zettlein 0.2308 Rick Reed 1.6333 Curt Schilling 1.1452
2003 Al Spalding+ 0.4857 George Zettlein 0.2308 Rick Reed 1.6595 David Wells 0.8451
2004 Al Spalding+ 0.4857 George Zettlein 0.2308 Brad Radke 1.6810 Jon Lieber 0.9170
2005 Al Spalding+ 0.4857 George Zettlein 0.2308 Brad Radke 1.6241 Carlos Silva 0.4301
2006 Al Spalding+ 0.4857 George Zettlein 0.2308 Brad Radke 1.6340 Curt Schilling 1.2353
2007 Al Spalding+ 0.4857 George Zettlein 0.2308 Jon Lieber 1.7403 Greg Maddux 1.1364
2008 Al Spalding+ 0.4857 George Zettlein 0.2308 Carlos Silva 1.6634 Cliff Lee 1.3701
2009 Al Spalding+ 0.4857 George Zettlein 0.2308 Carlos Silva 1.7064 Joel Pineiro 1.1355

Baseball Leaders & Baseball Records:  Single-Season  Career  Active  Progressive  Yearly League