.Resource: 49ers have Aiyuk business platform with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk field requirement: 49ers WR more probable to be dealt than acquire extension coming from San Francisco, every report CBS SportsReport: 49ers have framework in location for Brandon Aiyuk trade with pair of groups 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 field reports swirl Yahoo Athletics.