.Resource: 49ers have Aiyuk field framework along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession need: 49ers WR more likely to be dealt than get extension from San Francisco, every file CBS SportsReport: 49ers possess framework in place for Brandon Aiyuk trade with pair of groups San Francisco ChronicleReport: 49ers have worked out platforms of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider gives most recent update on Aiyuk as business reports swirl Yahoo Sports.