Super Bowl champion Matt Birk's dramatic physical change after losing 75 pounds: How did he do it? | Marca
Matt Birk - Wikipedia
Matt Birk, male model? Former Viking taking new shape – Twin Cities
Baltimore Ravens center Matt Birk boycotts White House visit - Los Angeles Times
Matt Birk '98 Retires from NFL | Sports | The Harvard Crimson
Not in Hall of Fame - 21. Matt Birk
NFL: Ravens' Birk, Reed finally reach the Super Bowl – The Mercury
Matt Birk undergoes insane body transformation... losing an incredible 75 pounds since his retirement from the NFL | Daily Mail Online
Matt Birk enters the political arena - NBC Sports
Former Ravens Lineman Matt Birk Drops 75 Pounds, Gets Ripped, Enters Modeling Contest - NESN.com
Matt Birk explains skipping Ravens' White House visit
Super Bowl champion Matt Birk looks unrecognizable after losing 75 pounds, 10-inches from waistline
Former NFL Players Who Lost A Ton Of Weight Since Retiring
Former Ravens C Matt Birk wants to be a model, down 75 pounds - CBSSports.com
Saint Mary's welcomes Matt Birk Oct. 24th – Saint Mary's Today
Harvard Grad Matt Birk Retires From NFL - CBS Boston
:format(jpeg)/cdn.vox-cdn.com/photo_images/9107149/20120916_hcs_sy4_042.jpg "Is Matt Birk Overmatched At Center? - Baltimore Beatdown")
Is Matt Birk Overmatched At Center? - Baltimore Beatdown
FOOTBALL: Now a retired Super Bowl champ, Matt Birk's mission is to give back
Jared Allen, Matt Birk and Kevin Williams among Hall of Fame's 122-player preliminary list for Class of 2022
Super Bowl champion Matt Birk looks unrecognizable after losing 75 pounds, 10-inches from waistline
Matt Birk lost 75 pounds since retiring, is now trying to win a modeling contest | For The Win
Ravens' Matt Birk hoping to make opportunity pay - The Boston Globe
