State Your Case: Matt Birk was a Harvard man who could play hard-core football - Talk Of Fame
Video of Jensen's running mate Matt Birk shows controversial views on abortion, women working - Minnesota Reformer
NFL legend Matt Birk looks unrecognizable after reverse body transformation - cutting 75lbs off playing days weight
Next Bears Hall of Famers? What Bears fans need to know - Windy City Gridiron
Matt Birk retires from football - Sports Illustrated
NFL: They're first-round draft picks, landing magazine covers and $20M bonuses. Why are centers so highly valued these days? - ESPN
Athletes donating their brains to science
Former Cleveland Browns nominated for Pro Football Hall of Fame
Ex-NFL star completely unrecognizable after shedding 75lbs in retirement and admits 'it's really changed my life'
The 2013 NFL All-Disappointment team
2013 NFL training camp -- Teeing up top storylines - ESPN
Matt Birk lost 75 pounds since retiring, is now trying to win a modeling contest
Did the Vikings and NFL Just Blacklist Another Left-Leaning Player? - Wry Wing PoliticsWry Wing Politics