Here are some highlights from our San Francisco 49ers chat, which was held earlier Thursday:Just The West from Los Angeles: Stevie Johnson... O/U 50 catches what you thinking? Considering Roman keeps talking about changes to the offense.Bill Williamson: I think 50 is the logical starting point there. Not going to be a top three option, but he will be valuable.RDC from Clovis: Hey Bill, Roger Goodell stated that Aldon's voluntary admittance to a rehab facility would play a role in determining his punishment.