On This Date 7/3/1966

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Tony Cloninger has a day to remember, hitting two grand slams as the Atlanta Braves beat the San Francisco Giants 17-3 at Candlestick Park. He later added an RBI single and went 3-for-5 with nine RBI while pitching a complete game to get the win for the Braves. No pitcher before or since had ever hit two grand slams in the same game.