Williams was shown a red card by referee, John Lacey, in the 24th minute of the Cardiff Blues v Montpelier match for an alleged dangerous tackle on the Montpellier scrum half, Benoit Paillaugue
The Blues scrum half will now travel to Dublin on Thursday for the hearing. Jeremy Summers (England) has been appointed as the independent Judicial Officer for the hearing. The decision will be communicated in advance of this weekend's Round 4 matches.
Cardiff Blues face Newport Gwent Dragons in a massive 'all-Welsh' European Rugby Challenge Cup quarter-final at Rodney Parade in April - and the region is now pleased to announce that tickets are on General Sale NOW!
Egg-cellent news! Our Cardiff Blues Rugby Camps return this Easter to give children right across our region the opportunity to participate in rugby during the holidays - and after selling out our last two camps you can book NOW to avoid any disappointment!
Cardiff Blues will be celebrating St David's Day when the region faces Edinburgh Rugby at BT Sport Cardiff Arms Park on Sunday afternoon (kick-off 12.45pm) - with hundreds of children invited as part of our Regional Schools Day.
Fine footwear retailer The Brogue Trader - one of the official sponsors of Cardiff Blues - is celebrating after being recognised by the British Footwear Association at its annual Footwear Industry Awards.
A powerful second half surge from new table-toppers Munster Rugby saw the run in three tries and wrap up victory over Cardiff Blues as the Guinness PRO12 season resumed at the newly-developed Irish Independent Park.