.Source: 49ers possess Aiyuk business platform with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession need: 49ers WR more probable to be worked than obtain expansion from San Francisco, per document CBS SportsReport: 49ers have structure in location for Brandon Aiyuk trade with two staffs San Francisco ChronicleReport: 49ers have actually exercised frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert gives newest improve on Aiyuk as business reports swirl Yahoo Athletics.