.Resource: 49ers have Aiyuk business platform with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade need: 49ers WR more likely to become worked than get expansion from San Francisco, every file CBS SportsReport: 49ers have framework in place for Brandon Aiyuk trade with two teams San Francisco ChronicleReport: 49ers have actually worked out structures of Brandon Aiyuk patronizes Browns, Patriots 49ers Webzone49ers insider gives most up-to-date improve on Aiyuk as profession rumors swirl Yahoo Athletics.