Reports claim the Wales skipper is expected to announce his retirement in an effort to extend his playing career at Manchester United.
The news is certain to come as a massive blow to coach John Toshack just three days ahead of Wales' crunch Euro 2008 clash against Czech Republic.
Toshack had hoped the United midfielder would continue his international career through to the 2010 World Cup.
But the 33-year-old has found the demands of club and international football tough after a gruelling season at Old Trafford.

The news is certain to come as a massive blow to coach John Toshack just three days ahead of Wales' crunch Euro 2008 clash against Czech Republic.
Toshack had hoped the United midfielder would continue his international career through to the 2010 World Cup.
But the 33-year-old has found the demands of club and international football tough after a gruelling season at Old Trafford.