Complex sentence: Christian Donald Laettner (,; born August 17,1969) is a retired basketball player whose hall-of-fame career for the Duke Blue Devils is widely regarded as one of the greatest in National Collegiate Athletic Association (NCAA) history.
Split into simpler sentences: Christian Donald Laettner (,; born August 17,1969) is a retired American basketball player. He is best known for his Hall of Fame career for the Duke Blue Devils and is widely regarded as one of the greatest athletes in the National Collegiate Athletic Association (NCAA) history.