After facing a tough test in the 49ers' 23-17 Week 2 loss to the Minnesota Vikings, coach Kyle Shanahan expects a similar challenge from the New England Patriots' defense in Sunday's matchup at Levi's Stadium.
Former Patriots defensive coordinator Brian Flores gave the 49ers all they could handle in the Vikings' win over San Francisco, presenting an interesting matchup Sunday due to New England deploying a similar scheme.
"It all comes from the same foundation; Brian [Flores] has put his own personality on it, his own spin," Shanahan told Greg Papa on NBC Sports Bay Area's "49ers Game Plan.