Red Sox icon Carl Yastrzemski's GRANDSON homers in his first game

Red Sox player' Carl Yastrzemski throws a first pitch to his 29-year-old Giants rookie grandson

Red Sox legend Carl Yastrzemski throws the ceremonial first pitch to his grandson Mike Yastrzemski : r/sports

Giants rookie Mike Yastrzemski homers with Hall of Famer grandfather watching at Fenway Park

A legacy in left field: Giants OF Mike Yastrzemski visits with legendary grandfather - Yaz - and homers in fairytale trip to Fenway Park

Red Sox icon Carl Yastrzemski's GRANDSON homers in Fenway Park debut

MLB: Mike Yastrzemski, Yaz's grandson, homers at Boston's Fenway Park

It'll be emotional': Carl Yastrzemski on Giants outfielder, grandson playing against Boston Red Sox

Red Sox legend Carl Yastrzemski throws out first pitch to grandson Mike

Boston Red Sox, History & Notable Players

Carl Yastrzemski throws first pitch to grandson

Giants rookie Mike Yastrzemski homers with Hall of Famer grandfather watching at Fenway Park

Former Orioles prospect Mike Yastrzemski makes Camden Yards debut in Giants uniform

Carl Yastrzemski delivers first pitch before Wednesday's Red Sox-Giants game - The Boston Globe

Carl and Mike Yastrzemski make MLB history, join Yankees' Aaron Boone on prestigious list