Keyshawn Johnson breaks down the San Francisco 49ers’ tough road ahead, starting with a crucial matchup against the Green Bay Packers, followed by a game against the Buffalo Bills. He explains why a loss to Green Bay would make it extremely diffic… Keyshawn Johnson breaks down the San Francisco 49ers’ tough road ahead, starting with a crucial matchup against the Green Bay Packers, followed by a game against the Buffalo Bills. He explains why a loss to Green Bay would make it extremely diffic…