Ten years ago this September, the Ravens started over.
Owner Steve Bisciotti had fired Brian Billick, an emotionally rending decision that led to him hiring a largely unproven coach named John Harbaugh. Meanwhile, the team prepared to test its latest solution at quarterback, an unassuming, lightly viewed character named Joe Flacco.
That uncertain beginning led to the longest period of sustained success in franchise history — six playoff appearances in seven seasons, highlighted by a victory in Super Bowl XLVII.
A decade on, Harbaugh is still the coach and Flacco still the quarterback, but for the first time in their tenure, hints of sweeping change loom over one of the...