.Resource: 49ers have Aiyuk profession structure along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade need: 49ers WR more likely to become handled than receive extension from San Francisco, per report CBS SportsReport: 49ers have structure in place for Brandon Aiyuk trade with 2 staffs San Francisco ChronicleReport: 49ers have actually worked out platforms of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider offers latest update on Aiyuk as field stories swirl Yahoo Athletics.