Complex sentence: In 1972 Meriwether was the United States Indoor Track and Field Champion, but due to a knee injury he was unable to compete for selection for the United States 1972 Olympic Games team.
Split into simpler sentences: In 1972 Meriwether was the United States Indoor Track and Field Champion. Due to a knee injury Meriwether was unable to compete for selection for the United States 1972 Olympic Games team.