Cardiff Blues openside flank Martyn Williams suffered a broken arm in his team's loss to Ulster in the Pro12 on Friday night and will be out of action for the next six weeks.
Williams, who started all three of the opening Pro12 fixtures for the Blues this season, suffered the break in the 67th minutes of the match and was replaced by Thomas Young.
The Blues also have Josh Navidi and academy flank Ellis Jenkins to call on ahead of Friday night's match against Munster.
It is another blow for the veteran loose forward who was left out of Warren Gatland's 30 man squad for the World Cup having reached 99 caps for Wales. He is expected to be out of action for a minimum of six weeks.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
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Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.