Ravens lead 21-7 at the half, just like last time

The good news for the Ravens?  They lead the Steelers at halftime, 21-7. The bad news for the Ravens?  They led the Steelers at the half of the 2010 divisional playoffs, 21-7. Yes, the score now matches the score then.  And the last time the Ravens held a 14-point lead over the Steelers, the Ravens…