Cliff Keen'
...that Cliff Keen's tenure as Michigan’s wrestling coach (1925-1970) was the longest of any coach in any sport in NCAA history as of 1991?
...that <b id="mwAgM"><a href="./Cliff_Keen" id="mwAgQ" rel="mw:WikiLink" title="Cliff Keen">Cliff Keen</a>'</b>s tenure as <a href="./Michigan_Wolverines" id="mwAgU" rel="mw:WikiLink" title="Michigan Wolverines">Michigan</a>’s <a href="./Collegiate_wrestling" id="mwAgY" rel="mw:WikiLink" title="Collegiate wrestling">wrestling</a> coach (1925-1970) was the longest of any coach in any sport in <a class="mw-redirect" href="./NCAA" id="mwAgc" rel="mw:WikiLink" title="NCAA">NCAA</a> history as of 1991?