Danny Duffy
... that 21-year-old Danny Duffy's abrupt retirement from the Kansas City Royals organization in 2010 reminded many of when Zack Greinke left the baseball club in 2006?
... that 21-year-old <b id="mwCWA"><a href="./Danny_Duffy" id="mwCWE" rel="mw:WikiLink" title="Danny Duffy">Danny Duffy</a></b><span about="#mwt31" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwCWI" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> abrupt retirement from the <a href="./Kansas_City_Royals" id="mwCWM" rel="mw:WikiLink" title="Kansas City Royals">Kansas City Royals</a> organization in 2010 reminded many of when <a href="./Zack_Greinke" id="mwCWQ" rel="mw:WikiLink" title="Zack Greinke">Zack Greinke</a> left the baseball club in 2006?