.Resource: 49ers possess Aiyuk business framework along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk field requirement: 49ers WR most likely to become worked than get extension from San Francisco, per document CBS SportsReport: 49ers have structure in position for Brandon Aiyuk trade with two crews San Francisco ChronicleReport: 49ers have actually exercised frameworks of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider provides most up-to-date improve on Aiyuk as business gossips swirl Yahoo Sports.