2017 EFL League Two play-off Final
... that Blackpool became the most successful club in the history of English Football League play-offs when they won the 2017 EFL League Two play-off Final against Exeter City?
... that <a href="./Blackpool_F.C." id="mwBJs" rel="mw:WikiLink" title="Blackpool F.C.">Blackpool</a> became the most successful club in the history of <a href="./English_Football_League_play-offs" id="mwBJw" rel="mw:WikiLink" title="English Football League play-offs">English Football League play-offs</a> when they won the <b id="mwBJ0"><a class="mw-redirect" href="./2017_EFL_League_Two_play-off_Final" id="mwBJ4" rel="mw:WikiLink" title="2017 EFL League Two play-off Final">2017 EFL League Two play-off Final</a></b> against <a href="./Exeter_City_F.C." id="mwBJ8" rel="mw:WikiLink" title="Exeter City F.C.">Exeter City</a>?