Complex sentence: Keith O'Neal Jennings (born May 19,1966 in Summerville, South Carolina) is a former professional American football player who played tight end in the National Football League for eight seasons for the Dallas Cowboys and the Chicago Bears.
Split into simpler sentences: Keith O'Neal Jennings (born May 19,1966 in Summerville, South Carolina) is a former professional American football tight end in the National Football League. He played for eight seasons for the Dallas Cowboys and the Chicago Bears.