.Resource: 49ers possess Aiyuk trade framework with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession requirement: 49ers WR very likely to become worked than obtain extension from San Francisco, per document CBS SportsReport: 49ers possess platform in position for Brandon Aiyuk trade with 2 crews San Francisco ChronicleReport: 49ers have actually exercised structures of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider offers newest update on Aiyuk as field gossips swirl Yahoo Athletics.