Yankee doubleheaders 1958-1980.

Single admission doubleheaders: fans see BOTH games!

The American League (AL) expanded from 8 to 10 teams in 1961 and the schedule increased from 154 to 162. I list actual number of games (G).

dh: doubleheaders

After AL expanded again in 1969 to 12 teams and split into two divisions, dh decreased. Expansion again in 1977 to 14 teams.

By 1980 dh down to 4.

year	dh	G	dh*2	%Gdh				AL#	year
1958	23	155	46	29.68%				8	1958
1959	24	155	48	30.97%				8	1959
1960	19	155	38	24.52%				8	1960
1961	23	162	46	28.40%				10	1961
1962	25	162	50	30.86%				10	1962
1963	22	161	44	27.33%				10	1963
1964	24	164	48	29.27%				10	1964
1965	19	162	38	23.46%				10	1965
1966	22	160	44	27.50%				10	1966
1967	24	163	48	29.45%				10	1967
1968	24	164	48	29.27%	East	West		10	1968
1969	20	162	40	24.69%	18	12		12	1969
1970	16	163	32	19.63%	18	12		12	1970
1971	14	162	28	17.28%	18	12		12	1971
1972	22	155	44	28.39%	18	12		12	1972
1973	15	162	30	18.52%	18	12		12	1973
1974	15	162	30	18.52%	18	12	Shea	12	1974
1975	14	160	28	17.50%	18	12	Shea	12	1975
1976	11	159	22	13.84%	18	12		12	1976
1977	10	162	20	12.35%	15	11	16-10	14	1977
1978	8	163	16	9.82%	15	11	16-10	14	1978
1979	5	160	10	6.25%	13	12		14	1979
1980	4	162	8	4.94%	13	12		14	1980
year	dh	G	dh*2	%Gdh	East	West		AL#	year