To celebrate Brian O'Driscoll's last home match for Ireland we're teaming up with O2 Ireland Rugby to celebrate the legendary #Thirteen.
You can get involved by posting a thirteen themed picture with #thirteen to Facebook, Instagram or Twitter. Each submission will raise €1 for Brian’s chosen charities – Temple Street and the ISPCC (up to €10,000).
You can also win two tickets to his final home international against Italy on March 8th with the added bonus of getting to present the match ball.. just step right this way
Here are 13 tough questions to test your knowledge on Ireland's greatest ever Thirteen
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