.Source: 49ers possess Aiyuk field framework with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade requirement: 49ers WR more likely to become dealt than acquire extension coming from San Francisco, every record CBS SportsReport: 49ers possess platform in position for Brandon Aiyuk patronize 2 teams San Francisco ChronicleReport: 49ers have actually exercised structures of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider offers most up-to-date improve on Aiyuk as business gossips swirl Yahoo Sports.