.Source: 49ers possess Aiyuk business framework along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk field need: 49ers WR very likely to become dealt than receive extension from San Francisco, per record CBS SportsReport: 49ers have platform in location for Brandon Aiyuk trade with two staffs San Francisco ChronicleReport: 49ers have exercised platforms of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert provides newest update on Aiyuk as trade rumors swirl Yahoo Athletics.