The ERC have received a citing complaint against Blues Flanker Martyn Williams, following the Round 1 Heineken Cup match against Edinburgh.
Williams, who this summer picked up the ERC European Fair Play Award, is alleged to have dropped his knee into the face of Edinburgh full back, Chris Paterson, during the first-half.
The hearing will take place in Dublin this Wednesday.
Law 10.4(a) 'A player must not strike an opponent with the knee(s)'.
IRB recommended sanction - Low End: 3 weeks; Mid Range: 8 weeks: Top End: 12+ weeks; Maximum: 52 weeks
In its sixth year the Blues Cup once again showed to be huge hit throughout the region and is a great advert for the community game as each of the six finalists across the three age groups produced rugby of an outstanding level resulting in 14 tries.
Inspired Cardiff Blues enjoyed Judgement Day at the Millennium Stadium as they secured a tense 17-13 win over regional rivals Scarlets in a feisty and enthralling encounter in the RaboDirect PRO12 on Easter Sunday.