AZ Central.com Diamondbacks' Davis is cancer -free National Post, Canada - 7 hours ago PHOENIX -- Arizona Diamondbacks lefthander Doug Davis received more good news Thursday, when a nuclear CT scan showed that his thyroid cancer has not spread ... Doctor pronounces Arizona's Davis cancer -free USA Today D-Backs' Davis declared cancer -free AZ Central.com Davis to make pair of rehab starts MLB.com all 28 news articles