Yastrzemski went 1-for-4 with a three-run home run in Saturday's 9-0 win over the Royals.
Yastrzemski's three-run blast in the sixth inning was the fifth long ball of the game for the Giants. The 34-year-old has gone hitless in four of his past 10 contests but has also homered five times and driven in 11 runs in that span. On the season, he's batting .235 with 18 long balls, 56 RBI, 58 runs scored and three steals across 451 plate appearances.