Biz Mackey
...that Negro League catcher Biz Mackey was regarded in his prime as superior to Josh Gibson, won two batting titles, and mentored the young Roy Campanella?
...that <a href="./Negro_league_baseball" id="mwA3U" rel="mw:WikiLink" title="Negro league baseball">Negro League</a> <a href="./Catcher" id="mwA3Y" rel="mw:WikiLink" title="Catcher">catcher</a> <b id="mwA3c"><a href="./Biz_Mackey" id="mwA3g" rel="mw:WikiLink" title="Biz Mackey">Biz Mackey</a></b> was regarded in his prime as superior to <a href="./Josh_Gibson" id="mwA3k" rel="mw:WikiLink" title="Josh Gibson">Josh Gibson</a>, won two <a href="./Batting_(baseball)" id="mwA3o" rel="mw:WikiLink" title="Batting (baseball)">batting</a> titles, and mentored the young <a href="./Roy_Campanella" id="mwA3s" rel="mw:WikiLink" title="Roy Campanella">Roy Campanella</a>?