Length of Official League Seasons
 

Number of league games played by the percentage leader in each of the officially recognized Negro Leagues through 1948.

Negro National League
1920 46
1921 77
1922 60
1923 90
1924 87
1925 82
1926 75
1927 82
1928 93
1929 80
1930 93
1931 25

Eastern Colored League
1923 49
1924 81
1925 91
1926 78
1927 103
1928 13

American Negro League
1929 56

East-West League
1932 50

Negro Southern League
1932 83

Negro National League
1933 53
1934 86
1935 51
1936 60
1937 44
1938 37
1939 47
1940 65
1941 57
1942 32
1943 59
1944 39
1945 45
1946 63
1947 58
1948 ?

Negro American League
1937 29
1938 47
1939 26
1940 35
1941 30
1942 38
1943 34
1944 70
1945 69
1946 57
1947 ?
1948 76