National League wins title
... that three Major League Baseball pitchers—Charles Radbourn, John Clarkson and Guy Hecker—captured the National League wins title by collecting more than 50 victories in a single season?
... that three <a href="./Major_League_Baseball" id="mwoA" rel="mw:WikiLink" title="Major League Baseball">Major League Baseball</a> <a href="./Pitcher" id="mwoQ" rel="mw:WikiLink" title="Pitcher">pitchers</a><span id="mwog" typeof="mw:Entity">—</span><a href="./Charles_Radbourn" id="mwow" rel="mw:WikiLink" title="Charles Radbourn">Charles Radbourn</a>, <a href="./John_Clarkson" id="mwpA" rel="mw:WikiLink" title="John Clarkson">John Clarkson</a> and <a href="./Guy_Hecker" id="mwpQ" rel="mw:WikiLink" title="Guy Hecker">Guy Hecker</a><span id="mwpg" typeof="mw:Entity">—</span>captured the <b id="mwpw"><a class="mw-redirect" href="./List_of_Major_League_Baseball_wins_champions" id="mwqA" rel="mw:WikiLink" title="List of Major League Baseball wins champions">National League wins title</a></b> by collecting more than 50 <a class="mw-redirect" href="./Win_(baseball)" id="mwqQ" rel="mw:WikiLink" title="Win (baseball)">victories</a> in a single season?