Complex sentence: Aaron played shortstop and breaking from his cross-handed style of batting, was selected to play in the 1952 Northern League All-Star Game and was selected as the league's Rookie of the Year at the conclusion of the season.
Split into simpler sentences: Aaron played shortstop and breaking from his cross-handed style of batting, was selected to play in the 1952 Northern League All-Star Game. He was selected as the league's Rookie of the Year at the conclusion of the season.