Ravens release linebacker Ayanbadejo - Eurosport
Ravens, 49ers bring big-hitting 'D' to Super Bowl - The San Diego Union-Tribune
Ravens turn out the lights on 49ers - ABC News
Ravens hang on for Super Bowl trophy
49ers are more likely to return to Super Bowl than Ravens
Super Bowl XLVII - Wikipedia
How the Baltimore Ravens won Super Bowl XLVII – The Denver Post
49ers vs. Ravens: Week 13 preview for San Francisco
Super Bowl 2013: Ravens withstand 49ers rally and power outage, surge to championship - CBS News
Super Bowl 47: Baltimore Ravens are champions after holding off 49ers - Washington Times
49ers acquire WR Boldin from Ravens