When did Willie Mays hit home runs at polo grounds at Shea stadium in 1962?

Willie Mays hit home runs at the Polo Grounds on June 9, 1962, during a game against the Chicago Cubs, where he famously hit a 510-foot home run. Later that season, he also hit a home run at Shea Stadium on April 21, 1962, while playing for the San Francisco Giants against the New York Mets. These moments contributed to his legendary status as one of baseball’s greatest hitters.