.Source: 49ers possess Aiyuk field structure along with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession demand: 49ers WR more likely to become handled than get extension coming from San Francisco, per file CBS SportsReport: 49ers have platform in position for Brandon Aiyuk trade with pair of groups San Francisco ChronicleReport: 49ers have actually worked out frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert gives newest upgrade on Aiyuk as field gossips swirl Yahoo Athletics.