Complex sentence: The Falcons played a lot of their rookies and easily beat the Hawks 55-0; it was the only time an NFL squad played a Continental league team, and the last time (to date) an NFL team played a minor-league team.
Split into simpler sentences: The Falcons played a lot of their rookies and easily beat the Hawks 55-0. The contest marked was the only time an NFL squad played a Continental League team, and the last time (to date) an NFL team played a minor-league team.