.Source: 49ers have Aiyuk profession framework with Browns, Patriots NBC Athletics Bay AreaBrandon Aiyuk profession requirement: 49ers WR very likely to be dealt than acquire extension from San Francisco, per report CBS SportsReport: 49ers have platform in position for Brandon Aiyuk trade with 2 groups San Francisco ChronicleReport: 49ers have actually worked out structures of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert offers most current improve on Aiyuk as business stories swirl Yahoo Sports.