HIGHWAY 17 SHOWDOWN SZN It's a heated battle all season long between the Myrtle Beach Pelicans and the Charleston RiverDogs as they vie to win coastal bragging rights during the Highway 17 Showdown presented by @sonicdrivin! Who will take the crown this year? 👑 Epic face offs 😤 Sonic promos 🎉 Coastal bragging rights 🌊 🏆 From the Beach to the Battery, don't forget to roll through Sonic on your way to the ballpark!