The Giants took over Utilityman Luke Williams by the Phillies as a backup for the minor league third baseman Will Toffey and money issues. Each group introduced trade. To create a 40-man roster, the Giants positioned the southpaw Matthew Boyd on the 60-day injury record. Williams was assigned by Philadelphia earlier this week for a job when the Nick Castellanos The signing became official. After six seasons in the Phils’ farm system…