The Seattle Mariners became the latest team to clinch a postseason berth when they defeated the Colorado Rockies 5-4 on Tuesday night for their fifth straight win and improved their record to 88-69 on the season. The Mariners, who staked out a three-game advantage last weekend by sweeping the Houston Astros , are seeking their first American League West title since 2001.

The Mariners trailed 3-1 entering the eighth but a two-out, bases-clearing double from Josh Naylor turned that two-run deficit into a 4-3 lead. Andres Munoz then shut the door in the ninth for his 38th save of the season.

The Mariners haven't had a player win the MVP award since Ichiro Suzuki did it in 2001. Catcher Cal Raleigh has a chance, however, depending on how voters weigh him against New York Yankee

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