Liam Miller, former Manchester United and Celtic midfielder, undergoing cancer treatment

Liam Miller, former Manchester United and Celtic midfielder, undergoing cancer treatment

Miller began his career with Celtic before Sir Alex Ferguson brought the Republic of Ireland worldwide to Manchester United in 2004.

The football world has been quick to offer well wishes to the 36 year old.

The midfielder starred under O'Neill in his final season with the Scottish giants, scoring in a Champions League match against Lyon that helped seal his big move away.

"I heard about it just recently but didn't know how bad it was".

McManus added: "He starts chemo tomorrow and is fighting hard really can't go into any more detail than that out of respect for him and family".

Miller won 21 caps for the Republic between 2004 and 2009, and current Ireland global David Meyler said the squad are thinking about their compatriot as they prepare to face Denmark in the second leg of their World Cup European Qualifier play-off. He scored once, in a friendly win against Sweden in 2006, and what a goal it was.

Former Celtic player Chris Sutton also wished him a speedy recovery on twitter.

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John Hartson, who played with Liam at Celtic, said: "My thoughts are with Liam Miller and his family this morning".

A number of former Ireland internationals have expressed their sorrow at news of his illness.

He said: "Awful news about Liam Miller, keep the fingers crossed that he somehow pulls through". All thoughts go out to him and his family.

His former Hibs team-mate McManus also claimed that he is undergoing chemotherapy.

Fellow former United player Danny Higginbotham said: "If true very sad news about one of my former teammates Liam Miller".

This story originally appeared in the Evening Echo.