.Source: 49ers possess Aiyuk business structure along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade demand: 49ers WR very likely to be dealt than get extension coming from San Francisco, per report CBS SportsReport: 49ers have platform in location for Brandon Aiyuk trade with 2 staffs San Francisco ChronicleReport: 49ers have actually exercised frameworks of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider gives latest upgrade on Aiyuk as business gossips swirl Yahoo Sports.