Complex sentence: He was also the 1st major league SS to win a batting title since 1960, and the 1st in the AL since 1944, and at 20 years, 11 months, was the youngest SS in All-Star Game history.
Split into simpler sentences: He was also the first major league shortstop to win a batting title since 1960, and the first in the AL since 1944. At 20 years, 11 months, he was the youngest shortstop in All-Star Game history.