FOX Sports play-by-play announcer Adam Amin joins Silver & JD to react to the 49ers addressing some roster holes on the first day of legal tampering in the NFL and the offseason checklist items ahead. Amin raves about the upside of newest 49ers wide receiver Mike Evans, the potential of Ricky Pearsall that he saw during the first month of the season, and why having two reliable quarterbacks goes a long way on a modern NFL roster.