Source: 49ers have Aiyuk trade framework with Browns, Patriots

Source: 49ers have Aiyuk trade framework with Browns, Patriots  NBC Sports Bay AreaPittsburgh Steelers ‘now out’ of Brandon Aiyuk trade sweepstakes  PennLiveBrandon Aiyuk trade demand: 49ers WR more likely to be dealt than get extension from San Francisco, per report  CBS SportsReport: 49ers have framework in place for Brandon Aiyuk trade with two teams  San Francisco Chronicle49ers insider gives latest update on Aiyuk as trade rumors swirl  Yahoo Sports…