MLB September 11, 2024 2:18 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 2:30 Shohei Ohtani's 50th home run ball could fetch up to $500k 54:59 Padres Look Primed for a Deep Run with Ryan Phillips 0:52 Dodgers' Ohtani makes MLB history, becomes first member of 50-50 club 1:04 Records Patrick Mahomes can break in Week 3 Chiefs matchup against Falcons 1:03 Chiefs look to go 3-0 against Falcons on Sunday Night Football