Bill Mizeur
... that Bill Mizeur never batted under .300 until his 14th season in professional baseball?
... that <b id="mwDxY"><a href="./Bill_Mizeur" id="mwDxc" rel="mw:WikiLink" title="Bill Mizeur">Bill Mizeur</a></b> never <a href="./Batting_average" id="mwDxg" rel="mw:WikiLink" title="Batting average">batted</a> under .300 until his 14th season in <a href="./Professional_baseball" id="mwDxk" rel="mw:WikiLink" title="Professional baseball">professional baseball</a>?