What the San Francisco 49ers must do to win their wildcard playoff matchup vs the rival Dallas Cowboys. Is the Niners secondary in the best place it's been all season? It needs to be to cover all of the Cowboys' weapons. Trent Williams says he will play Sunday and that could swing a major battle up front. Which Jimmy Garoppolo will show up in Dallas? Learn more about your ad choices. Visit podcastchoices.com/adchoices