.Source: 49ers have Aiyuk trade framework along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk business need: 49ers WR most likely to become handled than obtain extension coming from San Francisco, per document CBS SportsReport: 49ers possess framework in position for Brandon Aiyuk patronize two crews San Francisco ChronicleReport: 49ers have actually exercised platforms of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider gives newest upgrade on Aiyuk as field reports swirl Yahoo Athletics.