Wales manager Chris Coleman has admitted that he is unhappy with how often his best players aren't available to him.

With the likes of Gareth Bale, Aaron Ramsey, Joe Allen, Ashley Williams and Craig Bellamy to call upon during his reign as manager, Coleman believes that Wales have the quality required to qualify for a major tournament for the first time since 1958.

However, he has rarely been able field his best XI due to a number of factors and admits that the situation could be the difference between him staying on as Wales manager or leaving the post.

"We have some very good players, and we have a chance to qualify if we can just have them all fit. But does it ever happen? Having had two years experience of it, I also look at that side of it and, if we are without too many players again, how can anyone do anything about it?" Coleman told PA.

"Belgium have shown this is a challenge that can be achieved. I genuinely believe we can, but I keep repeating we can only do that with certain players available more than they have been. We have good enough players, but they are never all available. If someone comes in after me and I can't do it or don't achieve qualification, I'd be happy if someone else did because I'm a proud Welshman and I want Wales to do something special.

"I'm torn, I don't want to think if we have the same scenario and have too many players missing and have unrealistic expectations, do I want that again? But if we have got everybody for longer, I'd love to be that man."

Wales are currently gearing up to face Group A leaders Belgium in their final World Cup qualifying match tomorrow night.