Big questions entering the 49ers divisional round matchup against the Dallas Cowboys.. How the matchup brings back old memories. A look at what the Niners need to do well to win in this round. What the Cowboys do well. The issues the Niners have with mobile QB's. And Christian McCaffrey's knee injury hasn't slowed him down.  Cancel unwanted subscriptions – and manage your expenses the easy way – by going to rocketmoney.com/athletic Learn more about your ad choices. Visit megaphone.fm/adchoices