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 1:04 NFL Week 4 injury report 2:35 A's begin final series at the Oakland Coliseum 1:11 Commanders hold off Bengals' late comeback to secure Week 3 win 1:11 Josh Allen destroys Jaguars on Monday night 0:57 Patrick Mahomes breaks more records in win over Falcons