.Source: 49ers possess Aiyuk business platform with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk field need: 49ers WR more likely to become dealt than acquire expansion from San Francisco, every report CBS SportsReport: 49ers possess structure in place for Brandon Aiyuk patronize pair of teams San Francisco ChronicleReport: 49ers have worked out platforms of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider gives most up-to-date update on Aiyuk as profession reports swirl Yahoo Athletics.