If he makes in the dugout anything like the impression he made taking his clothes off, Celtic's new manager Ronny Deila is set to make an impact.

The Norwegian may never live down the moment he stripped off on the pitch to celebrate leading his club Stromsgodset to league safety in 2009.

But as the surprise at the appointment wore off for Celtic fans, most realised he has considerable other credentials for the post, with which many better-known names have been linked. His achievements with limited resources in Norway have been impressive and he is regarded by those in the know as one of Europe's brightest young coaches.

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The choice of the relative unknown appears to be a victory for the business strategy of chief executive Peter Lawwell, signing younger talent rather than splashing out on marquee names. With important European qualifiers imminent, Deila has just a matter of weeks to establish himself. Nevertheless, Celtic's position in the league means it is a good time for experimentation. Deila is a smart and imaginative choice and if he can get off to a good start in the European ties, there is every reason to think his stay in Glasgow will be far from brief.