On Sunday, the Green Bay Packers battle for the No. 1 spot in the NFC with the San Francisco 49ers. Kyle Posey of Niners Nation kindly volunteered to answer our questions about the 49ers and provide some insight into their strengths and weaknesses.
APC: Though the Kyle Shanahan’s offense looks schematically similar to the one now run in Green Bay by former understudy Matt LaFleur, the two head coaches operate differently. Shanahan calls far more run plays (349 versus 243), leans heavier on 21 personnel (22.0 percent versus 14.1 percent), leans less on 11 personnel (39.