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Ameristar Casino & Hotel - Saint Charles will host Shamrock FC Mixed Martial Arts on Saturday 13th September 2025, 7:30PM in Saint Charles, Missouri. Select your Shamrock FC Mixed Martial Arts tickets above using our secure ticket checkout. Your Ameristar Casino & Hotel - Saint Charles tickets will arrive before the Shamrock FC Mixed Martial Arts event on Saturday 13th September 2025, 7:30PM.