Complex sentence: His son, Joey, served two tours of duty in Iraq and one in Afghanistan as a Marine Corps medic, after which, the former Bolton High School right fielder returned to baseball at 26 years old, serving as a designated hitter for Columbia University.
Split into simpler sentences: His son, Joey, served two tours of duty in Iraq and one in Afghanistan as a Marine Corps medic. After which, the former Bolton High School right fielder returned to baseball at 26 years old, serving as a designated hitter for Columbia University.