.Resource: 49ers possess Aiyuk profession structure along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk business requirement: 49ers WR most likely to become handled than obtain expansion from San Francisco, every document CBS SportsReport: 49ers possess structure in place for Brandon Aiyuk trade with two crews San Francisco ChronicleReport: 49ers have worked out frameworks of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers expert provides most up-to-date upgrade on Aiyuk as business stories swirl Yahoo Athletics.