Walk-to-strikeout ratio

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In baseball statistics, walk-to-strikeout ratio (BB/K) is a measure of a hitter's plate discipline and knowledge of the strike zone. Generally, a hitter with a good walk-to-strikeout ratio must exhibit enough patience at the plate to refrain from swinging at bad pitches and take a base on balls, but he must also have the ability to recognize pitches within the strike zone and avoid striking out. Joe Morgan and Wade Boggs are two examples of hitters with a good walk-to-strikeout ratio.[citation needed] A hit by pitch is not counted statistically as a walk and therefore not counted in the walk-to-strikeout ratio.

The inverse of this, the strikeout-to-walk ratio, is used to compare pitchers.

Best single-season walk-to-strikeout ratios from 1913 to 2011:

Rank Player Team LG Year BB SO BB/SO
1 Joe Sewell NYY AL 1932 56 3 18.67
2 Joe Sewell NYY AL 1933 71 4 17.75
3 Joe Sewell CLE AL 1925 64 4 16.00
4 Joe Sewell CLE AL 1929 48 4 12.00
5 Charlie Hollocher CHC NL 1922 58 5 11.60
6 Lou Boudreau CLE AL 1948 98 9 10.89
7 Eddie Collins CWS AL 1925 87 8 10.88
8 Joe Sewell CLE AL 1926 65 6 10.83
9 Eddie Collins CWS AL 1923 84 8 10.50
10 Mickey Cochrane PHA AL 1929 69 8 8.63
11 Joe Sewell CLE AL 1923 98 12 8.17
12 Tommy Holmes BSN NL 1945 70 9 7.78
13 Joe Sewell NYY AL 1931 62 8 7.75
14 Tris Speaker CLE AL 1920 97 13 7.46
15 Joe Sewell CLE AL 1927 51 7 7.29
16 Mickey Cochrane PHA AL 1927 50 7 7.14
17 Tris Speaker CLE AL 1918 64 9 7.11
18 Lou Boudreau CLE AL 1949 70 10 7.00
18 Tris Speaker CLE AL 1922 77 11 7.00

See also[edit]