NFL: Miami Dolphins announce death of Bob Kuechenberg at age 71
Jim Langer Pro Football Hall of Fame
Valley News - Sports briefs: Langer, center of Dolphins' perfect team, dies
Hall of Famer Jim Langer dies at 71, Free
Jim Langer was a top analyst, too
Jim Kiick, standout Miami Dolphins running back on dominant 1970s teams, dies at 73 – Sun Sentinel
Jim Langer, ex-Dolphins Hall of Fame center, dies at 71 - The Boston Globe
Miami Dolphins legend Jim Langer passes away at 71
NFL: The Miami Dolphins team of 'misfits' who won the Super Bowl undefeated - BBC Sport
Hall of Fame Center Jim Langer Dies at 71
Former Dolphins guard dies