The WhatsApp profile picture of Imanol Harinordoquy is a mugshot of Darth Vader and, as I find out towards the end of our rendezvous in a Parisian café, his ringtone is The Imperial March.

French rugby star, Imanol Harinordoquy doesn't look like a man that needs his parents to help him out in a brawl, but that's exactly what happened when his father raced on to the pitch on Tuesday.