Parents often cheer their children on from the sidelines at sporting events .
Imanol Harinordoquy 's father took his enthusiasm a little too far when he ran onto the pitch and tried to punch a Bayonne player during the basque derby .
Parents often cheer their children on from the sidelines at sporting events but Imanol Harinordoquy 's father took his enthusiasm a little too far when he ran onto the pitch and tried to punch a Bayonne player during the basque derby .