The show offers complete coverage of all Major League Baseball games from 6 pm ET – 1 am ET during the regular season, and gives news from all 30 MLB teams during the offseason.

The program aired from the beginning of Spring Training to the end of the World Series and was replaced in the offseason by Hot Stove, until it started to air in the offseason, and Hot Stove became MLB Network's weekday morning show.

On Deck Circle is a special 1-hour pre-game version of MLB Tonight airs leading up to the night's MLB Network Showcase.

[4] It is filmed from the same studios as MLB Tonight, however, will also include interviews from the stadium with the night's sideline host, and analytics from the night's play-by-play and analyst in the booth.

It also includes the same highlights and analysis as MLB Tonight to fill time.