THIS DATE IN NY GIANTS HISTORY: APRIL 16, 1946 Posted on April 16, 2025 by pologrounds APRIL 16, 1946On Opening Day at the Polo Grounds, Mel Ott goes deep for the final time of his career. The Giants’ legend hits his 511th career home run off Philadelphia Phillies left-hander Oscar Judd. (Nationalpastime.com)