Baltimore Ravens center Matt Birk boycotts White House visit - Los Angeles Times
Matt Birk named NFL Director of Football Development - Cincy Jungle
Baltimore ravens matt birk hi-res stock photography and images - Alamy
NFL player's opposition to marriage equality: 'Marriage is in trouble right now'
Ravens veterans gear up for crucial Super Bowl run – The Times Herald
Matt Birk Avoiding Game Film from Super Bowl XLVII
Matt Birk Not Retiring; Ravens' Future at Center? - Baltimore Beatdown
Is Matt Birk Overmatched At Center? - Baltimore Beatdown
Matt Birk Provides Stability To Ravens' Offense - CBS Baltimore
Bob Sansevere: Matt Birk believes football is getting a bad rap