After being unable to call a full game since last season due to a painful knee injury, Ken Korach, the radio voice of the Oakland A's for the last 20 years, is back behind the microphone, calling the games on KGMZ for the team's current six-game home stretch. It's not yet known if Korach will be able to travel with the team for away games, or for how long he will be able to broadcast full games pain-free from his knee's torn ligament.