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The San Francisco Giants' winners and losers of Mustache May - McCovey Chronicles
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Red Sox player' Carl Yastrzemski throws a first pitch to his 29-year-old Giants rookie grandson
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Giants' Mike Yastrzemski homers in Fenway debut with grandfather Carl in attendance
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September 17, 2019: A Yastrzemski homers at Fenway Park in a relief pitcher extravaganza – Society for American Baseball Research
![Giants' Mike Yastrzemski gets hitting tips from Hall of Fame granddad](https://s.hdnux.com/photos/01/32/00/56/23595905/3/ratio3x2_700.jpg)
Giants' Mike Yastrzemski gets hitting tips from Hall of Fame granddad
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Another Yaz in LF in Fenway Park; Giants' Mike Yastrzemski
![Giants' Mike Yastrzemski gets hitting tips from Hall of Fame granddad](https://cdn.vox-cdn.com/thumbor/srYs0_rX6fSRAmqY9_cdTtDbZKw=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/21691945/usa_today_14640293.jpg)
Giants' Mike Yastrzemski looks like a star - Beyond the Box Score
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Another Yaz in LF in Fenway Park; Giants' Mike Yastrzemski
![Giants' Mike Yastrzemski gets hitting tips from Hall of Fame granddad](https://i.dailymail.co.uk/1s/2019/09/19/15/18627106-7482139-San_Francisco_Giants_rookie_Mike_Yastrzemski_pictured_homered_in-a-5_1568904626743.jpg)
Red Sox player' Carl Yastrzemski throws a first pitch to his 29-year-old Giants rookie grandson
![Giants' Mike Yastrzemski gets hitting tips from Hall of Fame granddad](https://static.foxnews.com/foxnews.com/content/uploads/2019/09/MLB-Yazs.jpg)
Carl Yastrzemski throws out first pitch to Giants outfielder grandson Mike Yastrzemski
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Mason: Mike Yastrzemski earned his way to big league camp, Sports
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Giants' Yastrzemski hits home run in grandpa's ballpark
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MIKE YAZ 30TH BIRTHDAY SALUTE: The other family behind Mike Yaz's success, Sports
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San Francisco Giants: Comparing Mike Yastrzemski to his grandfather