Harold Ballin
... that Hall of Fame tackle Harold Ballin was "the hardest-hitting player" ever faced by fellow Hall of Famer Charles Brickley and the last Princeton player to play without a helmet?
... that <a href="./College_Football_Hall_of_Fame" id="mwD3U" rel="mw:WikiLink" title="College Football Hall of Fame">Hall of Fame</a> <a class="mw-redirect" href="./Tackle_(American_football)" id="mwD3Y" rel="mw:WikiLink" title="Tackle (American football)">tackle</a> <b id="mwD3c"><a href="./Harold_Ballin" id="mwD3g" rel="mw:WikiLink" title="Harold Ballin">Harold Ballin</a></b> was "the hardest-hitting player" ever faced by fellow Hall of Famer <a href="./Charles_Brickley" id="mwD3k" rel="mw:WikiLink" title="Charles Brickley">Charles Brickley</a> and the last <a href="./Princeton_University" id="mwD3o" rel="mw:WikiLink" title="Princeton University">Princeton</a> player to play without a <a href="./Football_helmet" id="mwD3s" rel="mw:WikiLink" title="Football helmet">helmet</a>?