You never know who is going to come through in the biggest October moments. Sometimes it's the biggest stars. But not always. And there is a long history of rookies stepping up and making enormous impacts during their first postseason. Corbin Carroll in 2023. Jeremy Peña in 2022. Randy Arozarena, Michael Wacha, Evan Longoria.

Madison Bumgarner. Adam Wainwright. Miguel Cabrera.

The list goes on and on.

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Here is a ranking of 12 rookies expected to have the biggest impacts on this year’s Major League postseason:

1. Trey Yesavage, RHP, Blue Jays

What a season this has been for Yesavage, the 20th overall pick from the 2024 Draft. The 22-year-old didn't make his pro debut until this season, beginning the year pitching against teenagers in Single-A Dunedin. He fin

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