On October 3, 1965.00 On the last day of the season, Giants’ outfielder Willie Mays hits his 52nd home run to break the franchise record he established in 1955. The ‘Say Hey Kid’s’ league leading home run is given up by Reds hurler Billy McCool as San Francisco defeats Cincinnati at Candlestick Park, 6-3.
Mark McGwire of the St. Louis Cardinals breaks what is arguably the game’s most prestigious single-season record: Roger Maris’ mark of 61 home runs
September 8, 1998
April 27, 1971