Bristol Packers
...that the Bristol Packers American football team won every game in its debut season, but failed to win any in its final year?
...that the <b id="mwAfA"><a href="./Bristol_Packers" id="mwAfE" rel="mw:WikiLink" title="Bristol Packers">Bristol Packers</a></b> <a href="./American_football" id="mwAfI" rel="mw:WikiLink" title="American football">American football</a> team won every game in its debut season, but failed to win any in its final year?