When Is Baseball Season 2025. Major league baseball announced on thursday that 2025 spring training will officially begin on thursday, feb. The traditional opening date of march 27 th will.
Earlier today, major league baseball announced its 2025 regular season schedule, with the phillies beginning their season on the road thursday, march 27, as they take on the. The 2025 mlb season will begin with an international series at the tokyo dome in japan, where the los angeles dodgers will face the chicago cubs.