The Seattle Mariners, who were just eight outs shy of reaching their first World Series in 2025, officially turn the page to the 2026 season this week as spring training gets underway in Peoria, Arizona. Pitchers and catchers officially reported to camp on Thursday and the team kicks off Cactus League play on Friday. As spring training begins, Seattle Times beat reporters Ryan Divish and Adam Jude answer five questions facing the Mariners as spring training begins.