HIGHWAY 17 SHOWDOWN Presented by SONIC Drive-In It’s the battle of the 843! The Myrtle Beach Pelicans and the Charleston RiverDogs face off all season long in the Highway 17 Showdown, presented by Sonic! Who will rule the road this year? Heated matchups 🔥 Sonic promos 🎉 Coastal bragging rights 🏆 From the beach to the battery don’t forget to roll through Sonic on your way to the ballpark! #Highway17Showdown #MBPelicans #CarolinaTour