.Resource: 49ers have Aiyuk business framework along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk profession need: 49ers WR more likely to be handled than obtain expansion from San Francisco, per file CBS SportsReport: 49ers have framework in place for Brandon Aiyuk patronize 2 crews San Francisco ChronicleReport: 49ers have actually worked out platforms of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider gives most current improve on Aiyuk as business stories swirl Yahoo Athletics.