On season eighteen of a show that premiered on March 17, 2014 Brooke Burke-Charvet was replaced as co-host by an American sportscaster who is a sideline reporter for who?
Dancing with the Stars (U.S. season 18): Season eighteen of "Dancing with the Stars" premiered on March 17, 2014. Dancing with the Stars (U.S. season 18):  Len Goodman, Carrie Ann Inaba and Bruno Tonioli returned as judges; Tom Bergeron returned as host while Erin Andrews replaced Brooke Burke-Charvet as co-host.
i don't know