.Resource: 49ers have Aiyuk profession framework with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk field need: 49ers WR most likely to become dealt than acquire extension from San Francisco, per file CBS SportsReport: 49ers have platform in position for Brandon Aiyuk patronize pair of crews San Francisco ChronicleReport: 49ers have actually worked out platforms of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers expert provides most recent upgrade on Aiyuk as profession stories swirl Yahoo Athletics.