The Seattle Mariners were a chic World Series pick this year. Three-quarters of the way through the season, they are arg Via @JeffPassan on X

What happened: Seattle entered 2026 with World Series expectations. Three-quarters into the season, the Mariners are arguably baseball's most disappointing team.

Why it matters: The reversal has shifted the focus from a championship run to how Seattle fell so far short of its preseason billing.

What to watch: The final quarter will show whether Seattle can change the trajectory of its season.

Sources