49ers' Shanahan admits he began studying Packers by halftime of win over Cowboys

As the Packers built an early 27-point lead over the Cowboys, 49ers coach Kyle Shanahan started to build his divisional-round game plan for Green Bay.

source https://www.foxsports.com/stories/nfl/49ers-shanahan-admits-he-began-studying-packers-by-halftime-of-win-over-cowboys