4 reasons the Mariners are thriving, and 4 things holding them back

Detroit Tigers v Seattle Mariners
Detroit Tigers v Seattle Mariners | Steph Chambers/GettyImages
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The 2025 Seattle Mariners have been a roller coaster of a team to follow. One night they look like a juggernaut — crushing home runs, stealing bases, shutting down lineups. The next, they look like they couldn’t buy a hit with runners on base if they tried.

Mariners fans are already riding the ups and downs, and we’re only in April. But why is this team so hot and cold? Let’s break it down with four key reasons they’re thriving and four big reasons they’re still being held back.