.Resource: 49ers possess Aiyuk profession structure with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk field requirement: 49ers WR most likely to become dealt than get extension from San Francisco, per document CBS SportsReport: 49ers have structure in location for Brandon Aiyuk trade with pair of groups San Francisco ChronicleReport: 49ers have actually exercised structures of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider gives most up-to-date improve on Aiyuk as trade reports swirl Yahoo Sports.