7 storylines that could define the 2026 MLB season
The 2026 MLB season already feels different, and you can sense it from the very beginning. Some teams are chasing history, while others are just trying to prove they belong. At the same time, a few are simply hoping to stay healthy, because injuries can change everything.
There is no single storyline this year, and that’s what makes it exciting. Instead, there are many questions, and each one could shape how the season plays out. Fans are watching the Los Angeles Dodgers closely, but they are also keeping an eye on rising young stars across the league.
The American League looks wide open, and any team could step up, while the National League still feels like it runs through one powerhouse. Add in injuries and new rule changes, and things can shift very quickly. One hot streak can turn a team into a contender, while one injury can derail a season.
And sometimes, one rookie can suddenly become a star overnight. MORE: Ranking the top 10 MLB lineups before 2026 Opening Day So, here are the storylines that could define the 2026 MLB season. 7.
League-wide storyline: ABS system debate Detailed view of the scoreboard showing an ABS ball and strike challenge call being confirmed during the Los Angeles Dodgers against the Arizona Diamondbacks during a spring training game at Camelback Ranch-Glendale. Credit: Mark J. Rebilas-Imagn Images The Automated Ball-Strike system is already a big talking point, and it’s only going to get louder.
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