Complex sentence: Austin batted.323 with 13 home runs and 49 RBIs in 57 games for Scranton/Wilkes-Barre, and was promoted to the major league roster on August 13.
Split into simpler sentences: Austin batted.323 with 13 home runs and 49 RBIs in 57 games for Scranton/Wilkes-Barre. The Yankees promoted Austin to the major league roster on August 13.