Super Bowl contenders: are the NFL’s unbeaten teams as perfect as they seem?
Who would have thought the 49ers would be here after a rough old offseason? Head coach Kyle Shanahan's participation in training camp was limited due to a serious car crash, team owner Jed York's vis… [+6635 chars]
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Original source: https://sports.yahoo.com/articles/super-bowl-contenders-nfl-unbeaten-083010362.html