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Jake O'Brien

Jake O'Brien

Biography

Jacob Allen O'Brien is a retired American professional mixed martial artist who most recently competed in the Heavyweight division. A professional competitor from 2005 until 2012, he fought for the UFC, WEC, and DREAM.

  • Known For: Acting
  • Birthday: 1984-09-25
  • Place of Birth: Indianapolis, Indiana, USA
  • Also Known As: Irish