By Alek Arend In 2017, South Carolina basketball reached new heights when it went on a Cinderella run to the Final Four. However, the Gamecocks haven’t reached the tournament since. Frank Martin is getting shown the exit, as a result. South Carolina is parting ways with men’s head basketball coach Frank Martin, according to multiple reports. College basketball insider Jon Rothstein was first on the scene. ESPN’s Jeff Borzello has heard the same: Martin is out in South Carolina. “South Carolina is parting ways with Frank Martin, sources confirmed to ESPN. First by @JonRothstein. Martin had been…