.Resource: 49ers have Aiyuk field platform along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession demand: 49ers WR most likely to be dealt than obtain expansion coming from San Francisco, every report CBS SportsReport: 49ers have platform in place for Brandon Aiyuk trade with 2 teams San Francisco ChronicleReport: 49ers have actually worked out structures of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider provides most up-to-date update on Aiyuk as field gossips swirl Yahoo Athletics.