Major League Baseball made some rule changes last season, as emergency measures amid the coronavirus pandemic. Among them, doubleheader games were shortened to seven innings apiece, and a free runner was placed on second base in extra innings, both designed to shorten the amount of time spent on the field.

How do MLB doubleheaders work?

A doubleheader (in the classic sense) is a set of two baseball games played between the same two teams on the same day in front of the same crowd. ... However, today a doubleheader is generally the result of a prior game between the same two teams being postponed due to inclement weather or other factors.

How many innings are MLB doubleheaders?

MLB's seven-inning doubleheaders, extra-innings runner rule unlikely to become permanent.