.Resource: 49ers possess Aiyuk profession platform along with Browns, Patriots NBC Sports Bay AreaBrandon Aiyuk trade requirement: 49ers WR most likely to be dealt than obtain extension from San Francisco, per file CBS SportsReport: 49ers have platform in position for Brandon Aiyuk patronize pair of crews San Francisco ChronicleReport: 49ers have actually exercised frameworks of Brandon Aiyuk trades with Browns, Patriots 49ers Webzone49ers expert offers newest update on Aiyuk as profession reports swirl Yahoo Athletics.