MLB September 11, 2024 5:18 pm 2024 MLB playoff format, key dates The 2024 MLB playoffs begin on Tuesday, Oct. 1, with four games in the Wild Card series. Here is how the MLB playoff format works and other key postseason dates. US & World Videos 0:57 Chargers' Justin Herbert exits early after aggravating ankle injury 3:22 Bills tackle started a foundation to serve as a helping hand to the Buffalo community 2:42 2024 WNBA regular season: By the numbers 1:21 2024 WNBA playoffs: Storylines to watch for, matchups, schedule 0:55 Joel Embiid signs reported $193 million extension with 76ers