.Resource: 49ers possess Aiyuk trade framework along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk trade need: 49ers WR most likely to be handled than get extension coming from San Francisco, per document CBS SportsReport: 49ers have framework in location for Brandon Aiyuk trade with 2 groups San Francisco ChronicleReport: 49ers have actually worked out frameworks of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers expert gives newest upgrade on Aiyuk as trade gossips swirl Yahoo Athletics.