.Source: 49ers have Aiyuk profession structure along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession demand: 49ers WR most likely to be handled than obtain expansion from San Francisco, per file CBS SportsReport: 49ers have structure in location for Brandon Aiyuk trade with two staffs San Francisco ChronicleReport: 49ers have actually exercised frameworks of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers expert gives newest upgrade on Aiyuk as trade gossips swirl Yahoo Sports.