Another Yastrzemski has homered at Fenway Park.

San Francisco’s Mike Yastrzemski, the grandson of Hall of Famer Carl Yastrzemski, belted a home run in the fourth inning of the Giants’ 7-6, 15-inning win over the Red Sox on Tuesday night. It the first game Mike has ever played at the legendary park.

The solo shot was the 238th home run by a Yastrzemski at Fenway Park and the first since Carl Yastrzemski went deep against Moose Haas of the Milwaukee Brewers on July 31, 1983. He got a nice ovation when he batted leadoff to open the game and finished 2 for 7 with a double, solo homer, walk and three strikeouts.

Giants manager Bruce Bochy played the younger Yastrzemski in left field, the same position his grandfather played for 23 years.

Yastrzemski, a 29-year-old rookie, knew the night would be special. His grandfather played left in the final game of his career — Oct. 2, 1983 — a position where he won seven Gold Gloves, playing in front of the fabled Green Monster.

“For life,” he told reporters before the game, sitting in the dugout about 4½ hours before the game when asked when he thought about playing his first game in Fenway. “It’s always a dream to play here when you’re a kid growing up in New England.”

Before he talked to the media, the younger and older Yaz chatted together as they walked Fenway’s outfield.

“It was awesome,” Mike said. “We got a chance to catch up. I normally don’t get a chance to see him during the season, so that’s a bonus.”

Carl, who turned 80 in August, played his entire career with the Red Sox, retiring in 1983 with 3,419 hits, including 452 homers and over 1,800 RBIs. In 1967, he won the AL MVP after capturing the Triple Crown.

Alex Dickerson had a pinch-hit sacrifice fly in the 15th inning to lift the Giants.

Brandon Belt also had a solo homer for the Giants, who posted their first victory in Fenway after going 0-5 in interleague play. The New York Giants beat the Red Sox twice in the 1912 World Series, the year Fenway opened. They also defeated the Boston Braves in Fenway during the 1914 and ’15 seasons.

The game featured a major-league record-tying 24 pitchers — including a team-record 13 by the Giants — and had 50 players overall, lasting 5 hours, 54 minutes. “Take Me Out to the Ballgame” was played in the middle of the 14th inning.

Bochy said it was an honor to meet Yastrzemski before the game.

“I’m with a Hall of Famer that I grew up trying to impersonate as a hitter as a kid, and there he was in my office,” he said. “That’s a cool moment. I’m like anybody that grew up idolizing these guys when you have a chance to meet him.”

— with AP