Red Sox player' Carl Yastrzemski throws a first pitch to his 29-year-old Giants rookie grandson
Younger Yaz homers at Fenway; 24 pitchers participate as Giants top Red Sox in 15, Red Sox
Mike Yastrzemski On Hitting Home Run At Fenway Park
Mike Yastrzemski homers at Fenway Park, SF Giants win in 15
Former Orioles prospect Mike Yastrzemski makes Camden Yards debut in Giants uniform
Orioles' Mike Yastrzemski Trying To Live Up To Family Name - CBS Boston
Yastrzemski Makes MLB Debut with Giants
Yaz's grandson makes MLB debut with Giants - ABC7 San Francisco
Hall of Famer Carl Yastrzemski throws out first pitch to grandson Mike at Fenway Park
Carl Yastrzemski - Wikipedia