Answer: doubleheader

AnswerCrossword Clue
DOUBLEHEADERDiamond twin bill
DOUBLEHEADERMarathon at Shea
DOUBLEHEADEROne who wears more than one hat?
DOUBLEHEADERModern baseball rarity
DOUBLEHEADERBack-to-back baseball games
DOUBLEHEADERJuly 4th tradition.
DOUBLEHEADERStadium special
DOUBLEHEADERD
DOUBLEHEADERTwo games for the price of one
DOUBLEHEADERMarathon at Camden Yards
DOUBLEHEADERBack-to-back games
doubleheaderA train pulled by two locomotives coupled together
doubleheadertwo games, contests or events held consecutively on the same program
doubleheaderA sporting event in which two games or contests are played in succession at the same venue, typically between the same teams or players