.Source: 49ers possess Aiyuk business structure with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade need: 49ers WR more likely to be dealt than receive extension coming from San Francisco, every record CBS SportsReport: 49ers have framework in location for Brandon Aiyuk trade with pair of groups San Francisco ChronicleReport: 49ers have exercised platforms of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider provides most current update on Aiyuk as trade rumors swirl Yahoo Athletics.