Seattle Mariners Spring Training 2025. Seattle will play 33 games in the cactus league beginning friday, february 21st, 2025, according to a news release sent out by the organization. The complete 2025 mariners spring training schedule is available at mariners.com/spring.

Who wouldn’t enjoy a trip out to sunny arizona, especially to escape the rainy seattle weather in the spring? The complete 2025 mariners spring training schedule is available at mariners.com/spring.