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5 biggest takeaways from the Packers' Week 4 win over the 49ers
The Packers' fast start - at least in the way Mike McCarthy defines the term - is complete. Through the first quarter of the season, Green Bay is one of six undefeated teams in the NFL and already has a firm grasp on the NFC North. Here are the five biggest takeaways from Green Bay's 17-3 victory over the San Francisco 49ers.