Ex-Manchester City star sends 'bags packed' Celtic quip over Roy Keane reports
It has been reported the Manchester United legend is keen on the vacant Parkhead post.
His odds have tumbled as a result and is third favourite with the bookies behind former Sheffield United manager Chris Wilder and current interim boss John Kennedy.
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Hide AdKeane, who played with Celtic during the 2005/06 campaign, was most recently Nottingham Forest assistant boss under Martin O’Neill.
His last managerial post was Ipswich Town ten years ago.
The 49-year-old is a Sky Sports pundit and has developed a bond with Richards.
The former defender responded to a story about Keane going to Celtic, joking he would be the assistant.
He tweeted: “I’ve just packed my bags!!! Scotland here we come.”
Former Rangers midfielder Charlie Adam issued caution for Richards.
He said: “Stay in the studio big man. There’s a change of the guard in Scotland now.”