RIATH AL-SAMARRAI: If you think football is clean you're DELUDED. Mud doesn't stick like in other sports - just ask Pep - but Neville and Keane's claims shouldn't come as a surprise
COMMENT BY RIATH AL-SAMARRAI: Pep Guardiola is a pretty big name in football and for a while he was a pretty big part of discussions in anti-doping circles, too.