.Resource: 49ers have Aiyuk profession framework along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession requirement: 49ers WR very likely to become dealt than receive expansion from San Francisco, every record CBS SportsReport: 49ers have framework in place for Brandon Aiyuk trade with 2 teams San Francisco ChronicleReport: 49ers have actually worked out platforms of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider gives latest upgrade on Aiyuk as trade stories swirl Yahoo Athletics.