And , alas , both cricket and rugby have recently tumbled quite a distance down from the moral high ground with ball-tampering scandals in Test cricket and in rugby the extraordinary case of " Bloodgate " -- when Harlequins cheated in the most comprehensive and premeditated manner , supplying Tom Williams with a blood capsule and instructing him to chew on it so that he could be replaced , and then having the club doctor cut his lip to make the pretence more credible .