.Resource: 49ers possess Aiyuk trade platform along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk profession need: 49ers WR more likely to become handled than get extension coming from San Francisco, every record CBS SportsReport: 49ers have framework in position for Brandon Aiyuk patronize pair of teams San Francisco ChronicleReport: 49ers have worked out frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider offers most up-to-date improve on Aiyuk as field rumors swirl Yahoo Athletics.