Columbia Fireflies | 2,698 followers on LinkedIn. Professional Minor League Baseball Team. Single A Affiliate of the Kansas City Royals located in Columbia, SC. | The Columbia Fireflies are the Low-A East affiliate of the Kansas City Royals. Home games are played at Segra Park, a state-of-the-art multi-use Sports and Entertainment venue located in the developing BullStreet District in downtown Columbia, South Carolina. Phone: 803-726-4487 Email: info@columbiafireflies.com #LetsGlow