.Resource: 49ers have Aiyuk business framework along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk profession need: 49ers WR most likely to become handled than acquire expansion from San Francisco, every document CBS SportsReport: 49ers have framework in position for Brandon Aiyuk trade with two staffs San Francisco ChronicleReport: 49ers have actually worked out frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider provides newest update on Aiyuk as field stories swirl Yahoo Athletics.