Three Knox County commission seats were settled in the Republican primary.
Ed Brantley, a local radio personality, defeated former Commissioner Michele Carringer for the District 11 at-large seat.
Charles Busler defeated Bo Bennett and Rodney Lane for the District 7 post.
Randy Smith, who works in the county's risk management department, defeated Jason Chandler and Billy Stephens in the District 3 race.
Commissioners Tony Norman (District 3) and R. Larry Smith (District 7) are term-limited.