How to watch tonight’s game.

One came into the season as the defending champion and the betting favorite to repeat. The other wasn’t a lock for the playoffs until the final weeks of the season. But two storied National League franchises, which have combined for an eye-popping 18 World Series titles, will face off in a wild-card game that will propel one of them to a league division series and will send the other home licking its wounds and wondering what might have been.

Who: St. Louis Cardinals vs. Los Angeles Dodgers
What: The National League wild-card game
When: 8:10 p.m. Eastern
Where: Dodger Stadium, Los Angeles
Why: A spot in a league division series against the 107-win San Francisco Giants
TV: TBS
Streaming: Various services like Sling, Hulu Live and FuboTV will carry the TBS feed, which is also available via TBS.com and the TBS app.