.Source: 49ers have Aiyuk profession framework along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk field demand: 49ers WR most likely to become handled than get extension from San Francisco, per report CBS SportsReport: 49ers have platform in position for Brandon Aiyuk patronize pair of staffs San Francisco ChronicleReport: 49ers have actually exercised frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert gives most recent update on Aiyuk as profession gossips swirl Yahoo Athletics.