<a href="https://en.wikipedia.org/wiki/Arsenal_F.C." id="mwAVc" rel="mw:WikiLink" title="Arsenal F.C.">Arsenal F.C.</a> go an entire league campaign unbeaten in the English Premier League, joining <a href="https://en.wikipedia.org/wiki/Preston_North_End_F.C." id="mwAVg" rel="mw:WikiLink" title="Preston North End F.C.">Preston North End F.C.</a> with the right to claim the title "<a class="mw-redirect" href="https://en.wikipedia.org/wiki/The_Invincibles_(football)" id="mwAVk" rel="mw:WikiLink" title="The Invincibles (football)">The Invincibles</a>".