.Source: 49ers possess Aiyuk trade structure along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk trade need: 49ers WR most likely to become handled than acquire expansion from San Francisco, per file CBS SportsReport: 49ers possess framework in position for Brandon Aiyuk trade with two teams San Francisco ChronicleReport: 49ers have actually worked out frameworks of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers expert offers newest update on Aiyuk as profession gossips swirl Yahoo Athletics.