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Peoria Stadium will host Spring Training: Seattle Mariners vs. Colorado Rockies on Sunday 9th March 2025, 3:30AM in Peoria, Arizona. Select your Spring Training: Seattle Mariners vs. Colorado Rockies tickets above using our secure ticket checkout. Your Peoria Stadium tickets will arrive before the Spring Training: Seattle Mariners vs. Colorado Rockies event on Sunday 9th March 2025, 3:30AM.