It happens every year: A team already eliminated from the postseason meets a team fighting hard for a playoff berth late in the season -- and the underdog wins!

Unexpected spoilers can be one of the most fun parts of September baseball (unless your favorite club finds its postseason hopes affected, of course). And with the postseason picture beginning to take shape, several frisky clubs on the outside could make things difficult for MLB’s top contenders.

Here are five teams that could serve as spoilers this September.

Angels (66-74)

Need an example of how the Angels can cause problems for a contending club? Just ask the Dodgers. The Halos swept the 2025 Freeway Series with a 6-0 record, flummoxing the defending World Series champions in May in Chavez Ravine and again in August in Ana

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