Bill O'Brien celebrates his son's birthday, other 'Hard Knocks' notes

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• Tania Ganguli, ESPN Staff Writer Close
  • Previously covered Texans for Houston Chronicle and Jaguars for Florida Times-Union
  • Northwestern University graduate
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The morning before the Houston Texans' second preseason game, coach Bill O'Brien celebrated an important family milestone.

His son, Jack, turned 13.

Hard Knocks spent the morning with the O'Brien family.