Alex McLeish has backed Roy Keane to transform the Celtic squad’s “attitude” if appointed manager. 

The former Scotland manager, speaking exclusively to Football Insider, insisted the 49-year-old would bring an “incredible” winning mentality to the Parkhead dressing room.

As revealed by Football Insider, Keane is back in the running for the vacant Celtic job after a lack of progress over the Hoops’ pursuit of Eddie Howe.

This site previously revealed Keane was in talks about taking charge at Parkhead after being interviewed last month.

Celtic chose to pursue a deal for Howe and the former Bournemouth boss even verbally agreed to take charge.

However, Football Insider understands Howe has had second thoughts and would prefer a return to the Premier League.

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He is on Crystal Palace’s shortlist to replace Roy Hodgson, while Brighton are also among his suitors.

Celtic believe they need to appoint a strong personality to turn things around after a bitterly disappointing season.

It is the first time since 2009/10 that the Hoops have failed to win a trophy.

McLeish insisted the former Sunderland boss would transform the mentality of the Parkhead dressing room.

“I’ve met Roy a few times and knowing his character, he’s box office on television,” McLeish told Football Insider assistant editor Russell Edge.

“He is really good and I like to watch him and listen to him. He’s got experience but not only does he have experience, he’s also got an incredible mental, winning attitude.

“You would think, with his association to Celtic in the past, that he would definitely be on that list.”

Keane has not held a manager’s post since leaving Ipswich Town over a decade ago.

However, he has worked as assistant manager with the Republic of Ireland, Aston Villa and Nottingham Forest.

In other news, three senior Celtic men set to leave this week as exodus intensifies.