Ed Shuttlesworth
... that fullback Ed Shuttlesworth became Michigan's all-time leader in rushing attempts while playing for teams that finished 30–1–1 from 1971 to 1973?
... that <a class="mw-redirect" href="./Fullback_(American_football)" id="mwEPw" rel="mw:WikiLink" title="Fullback (American football)">fullback</a> <b id="mwEP0"><a href="./Ed_Shuttlesworth" id="mwEP4" rel="mw:WikiLink" title="Ed Shuttlesworth">Ed Shuttlesworth</a></b> became <a href="./Michigan_Wolverines_football" id="mwEP8" rel="mw:WikiLink" title="Michigan Wolverines football">Michigan</a>'s all-time leader in <a class="mw-redirect" href="./Rush_(American_football)" id="mwEQA" rel="mw:WikiLink" title="Rush (American football)">rushing</a> attempts while playing for teams that finished 30<span id="mwEQE" typeof="mw:Entity">–</span>1<span id="mwEQI" typeof="mw:Entity">–</span>1 from 1971 to 1973?