.Source: 49ers possess Aiyuk field platform along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession need: 49ers WR more probable to be handled than obtain extension coming from San Francisco, every record CBS SportsReport: 49ers have framework in place for Brandon Aiyuk trade with pair of staffs San Francisco ChronicleReport: 49ers have actually exercised structures of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers expert offers latest update on Aiyuk as field gossips swirl Yahoo Athletics.