Doubleheaders are scheduled events in the sports world where two games are played consecutively by the same teams. Some synonyms for the word doubleheaders include twin bills, two-fers, brace of games, and back-to-back games. The term twin bill dates back to the early 1900s when a single ticket granted access to two consecutive baseball games. Two-fers and brace of games are more modern terms used to describe a set of back-to-back matches. In some parts of the world, doubleheaders are also called "double-headers," "double-dips," or "day-night doubleheaders." These synonyms help sports enthusiasts to communicate about this exciting and highly anticipated event with ease.