When Mike Yastrzemski made his debut in 2019 with the San Francisco Giants, his name may have sounded similar to some. His grandfather, Hall of Famer Carl Yastrzemski, was an 18-time All-Star with the Boston Red Sox and won three American League batting titles from 1961 to 1983. Two generations of Yastrzemskis have hand-signed this black-and-gold Rawlings Baseball, providing collectors with a special item.