DOUBLEHEADERS
Scrabble letter values: D2O1U1B3L1E1H4E1A1D2E1R1S1 = 20
Definition
DOUBLEHEADERS is the plural of DOUBLEHEADER.
noun DOUBLEHEADER: two games instead of one (especially in baseball when the same two teams play two games on the same day).
Synonyms of DOUBLEHEADER: twin_bill, double_feature