.Source: 49ers possess Aiyuk field structure along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk trade requirement: 49ers WR more likely to become dealt than receive expansion coming from San Francisco, every file CBS SportsReport: 49ers possess platform in place for Brandon Aiyuk patronize two teams San Francisco ChronicleReport: 49ers have actually worked out platforms of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider provides newest update on Aiyuk as trade gossips swirl Yahoo Athletics.