Mike Yastrzemski, leftfielder for the Giants, grandson of Hall of Fame leftfielder Carl Yastrzemski, hit his first major league home run this evening. The seasonal age 28 player is in his sixth game, and also hit his first triple in the contest. He now has six hits on the season, three of them for extra bases. The two hits tonight came against the Orioles, who controled him for seven seasons but never brought him to the majors.