KANSAS CITY, Mo. — Eric Berry credits Kansas City’s 4-0 start to the ‘‘family feeling’’ that held everyone together during the hapless 2-14 season of 2012.
Maybe so. But after the Chiefs (4-0) pounded the winless New York Giants, 31-7, on Sunday, it’s obvious that importing a cool, savvy quarterback from San Francisco and bringing in a smart, no-nonsense coach from Philadelphia also had a lot to do with a rags-to-riches transformation.
Alex Smith, who lost his job in San Francisco, threw three touchdown passes, and Dexter McCluster returned a punt 89 yards for another score as the Chiefs joined the 1980 Lions as the only teams in modern history to win two or fewer games one season, then rocket to a 4-0 start the next. Full story for BostonGlobe.com subscribers.