UFC 153: The Greatest Of All-Time vs. The Ultimate Underdog

Stephan Bonnar has his work cut out for him against Anderson Silva at UFC 153! Bonnar will try to make the ultimate underdog victory a reality when he takes on arguably the greatest MMA fighter of all-time at UFC 153.

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Stephan Bonnar has his work cut out for him against Anderson Silva at UFC 153! Bonnar will try to make the ultimate underdog victory a reality when he takes on arguably the greatest MMA fighter of all-time at UFC 153.