player-coach
... that Bill Russell won two NBA Championships as a player-coach of the Boston Celtics?
... that <a href="./Bill_Russell" id="mwFZU" rel="mw:WikiLink" title="Bill Russell">Bill Russell</a> won two <a href="./List_of_NBA_champions" id="mwFZY" rel="mw:WikiLink" title="List of NBA champions">NBA Championships</a> as a <b id="mwFZc"><a class="mw-redirect" href="./List_of_National_Basketball_Association_player-coaches" id="mwFZg" rel="mw:WikiLink" title="List of National Basketball Association player-coaches">player-coach</a></b> of the <a href="./Boston_Celtics" id="mwFZk" rel="mw:WikiLink" title="Boston Celtics">Boston Celtics</a>?