Tarrell Brown says 49ers made “slap in the face” offer

Free-agent cornerback Tarell Brown signed a one-year, $3.5 million deal to remain in the Bay Area, jumping from the 49ers to the Raiders.  So if that’s what Oakland offered to get Brown, what did the 49ers pony up to keep him? “t wasn’t what I wanted and it was to me more of a slap…