Complex sentence: Brett Carolan (born March 16,1971 in San Rafael, California) is a former professional American football player who played tight end for three seasons for the San Francisco 49ers and Miami Dolphins.
Split into simpler sentences: Brett Carolan (born March 16,1971 in San Rafael, California) is a former professional American football player. He played tight end in the National Football League (NFL) for three seasons with the San Francisco 49ers and Miami Dolphins.