.Source: 49ers have Aiyuk profession structure along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk field need: 49ers WR very likely to be handled than acquire expansion from San Francisco, per report CBS SportsReport: 49ers have framework in position for Brandon Aiyuk patronize two teams San Francisco ChronicleReport: 49ers have actually worked out frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert provides latest update on Aiyuk as business rumors swirl Yahoo Sports.