Transcript for ‘Yaz’ returns to Fenway Park
Finally tonight, America strong. The hall of fame grandfather and the grandson making him proud. His hall of fame career ended 36 years ago, but there he was, standing just off the field at Fenway. Red sox legend Carl yastrzemski. Announcer: Ladies and gentlemen, won't you please welcome the greatest living red sox player, accompanied by his beloved grandson, now a major leaguer with the San Francisco giants, welcome home number 8, Carl yastrzemski, and number 5, Mike yastrzemski. Reporter: A wave to the forever loyal fans at Fenway, yaz was back. Number 8 on the mound and ready to throw out the first pitch. And look who was waiting with a smile, his grandson, Mike yastrzemski, the 29-year-old rookie for the San Francisco giants. His grandson coming to shake his hand and hug him. That grandfather, a major league great, has been rooting for his grandson for years. The legend, channel 5's Mike lynch. What is it going to mean for you, when you hear, now batting, number 5, Mike yastrzemski. The first time since '83 the name yastrzemski will be announced in Fenway park. I'm very happy for him. Played 700 games in the minors. He never got down on himself. I'm proud of him for that. Reporter: And his grandson before that moment, grateful. You always hold a special place in your heart for your grandfathers, and to have him be able to be here is awesome. Reporter: But he knows his love for his grandfather is shared by everyone at Fenway. It's not just special for me, for everyone who had ever seen my grandfather play. I need to let it be special for everybody else, as well. Reporter: And the grandson's moment came the night before. The left fielder, number 5, Mike yastrzemski. Reporter: His first game at Fenway and watch this. He does -- high into center field -- it is out of here! Reporter: One sure way to impress your granddad. No question about that. What a moment. I'm David Muir. I hope to see you right back here tomorrow. Until then, have a good evening. Good night.
This transcript has been automatically generated and may not be 100% accurate.