The Seattle Mariners could end up facing an old playoff foe or a team they’ve never matched up with in the postseason when the American League Division Series kicks off Saturday at T-Mobile Park.

Why Rowland-Smith says Polanco will be Seattle Mariners’ X-factor in playoffs

The M’s are set to face the winner of the wild card series between the AL Central-champion Cleveland Guardians or Detroit Tigers, who finished one game apart in the standings. Each lost four of six games in the regular season against Seattle.

So, which team poses a bigger threat to the Mariners?

MLB Network insider Jon Morosi shared his insight on that question Monday during his weekly conversation with Seattle Sports’ Wyman and Bob .

The two teams were trending in completely opposite directions at end of the re

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