.Resource: 49ers possess Aiyuk trade platform with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade requirement: 49ers WR very likely to become dealt than acquire extension from San Francisco, per record CBS SportsReport: 49ers have structure in location for Brandon Aiyuk trade with pair of teams San Francisco ChronicleReport: 49ers have exercised platforms of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers insider offers most recent improve on Aiyuk as business gossips swirl Yahoo Sports.