Our preview of the San Francisco 49ers' 2015 opponents continues today with the NFC North. If you've missed the first two parts of the series, we looked at the 49ers' opponents in the NFC West and AFC North late last week, so be sure to check those out if you haven't already.
Chicago Bears
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The shortest head-coaching tenure in post-Halas Bears history now belongs to Marc Trestman, who was canned following his second season with the team when the Bears dropped three games on the previous campaign to finish 5–11 at the bottom of the NFC North standings.