1) Diamond twin bill 2) Double feature 3) Game 4) Marathon at Camden Yards 5) Modern baseball rarity 6) Stadium special 7) Twin bill 8) Two games instead of one 1) Tete a tete 
[baseball] A doubleheader is a set of two baseball games played between the same two teams on the same day in front of the same crowd. In addition, the term is often used unofficially to refer to a pair of games played by a team in a single day, but in front of different crowds and not in immediate succession. In Major League Baseball, for ...[television] Doubleheader is used by network television to refer to two games in any sport aired back-to-back on the same network, even though they do not involve the same two teams (three such games may be referred to as a tripleheader, this scenario being encountered most frequently in basketball). A doubleheader purposely coincides with ...
Two racing performances during one day.
When a team plays 2 games in one day.
· two games, as of baseball, between the same teams on the same day in immediate succession. · two games, as of basketball, between two different pairs of teams on the same day in immediate succession.