By Daniel Chavkin Kansas City’s pitcher will turn back the clock to 2010 when the season begins. View the original article to see embedded media. Zack Greinke is back in Kansas City, and manager Mike Matheny has already named him the Royals’ opening day starter. It will be Greinke’s second career Opening Day start for the Royals, but the first one came a while ago. Greinke also started for Kansas City on Opening Day to begin the 2010 season. That is a 12 year gap between Opening Day starts in Kansas City for Greinke. Greinke pitched six innings and allowed two runs on six hits with four strike…