.Resource: 49ers possess Aiyuk trade framework along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk profession demand: 49ers WR more probable to become worked than obtain expansion coming from San Francisco, per record CBS SportsReport: 49ers possess structure in place for Brandon Aiyuk patronize pair of staffs San Francisco ChronicleReport: 49ers have actually exercised structures of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider gives latest upgrade on Aiyuk as business stories swirl Yahoo Sports.