Even though defensive coordinator Vic Fangio was aggravated by the San Francisco 49ers' first-team performance, things settled down after the second drive and the Vikings didn't score again all night.
San Francisco is looking to build on their preseason opener as they travel to take on the Texans Saturday Night. Houston is coming off a win of their own against the Panthers in which they rushed for over a 170 yards on 39 carries.
Will Scott Tolzien and Chris Owusu continue to impress, or will Colin Kaepernick and A.J. Jenkins step their game up?
Let us take a look at the five things you should be zeroing in on while you watch the game.