2Turnovers by the Ravens in the first quarter (fumble by Ray Rice and interception thrown by Joe Flacco).
3Pass-interference penalties by the Ravens (Domonique Foxworth, Frank Walker and Lardarius Webb) in the first half. The Ravens' 11 pass-interference penalties are the most in the NFL this season.
15The wind chill index at the opening kickoff at Lambeau Field.
17First-half deficit by the Ravens, which tied their largest shortfall in any game this season (at Minnesota and at Cincinnati).