Henning Berg has been criticised for his "rotational policy" in high-profile games such as the Polish Super Cup but sources within the club say everyone is happy and the foundations are being laid which is a rarity in Polish football. Berg has revamped recruitment and they now have scouts worldwide, monitoring Scottish football intensively and have former Motherwell player Henrik Ojamaa in their ranks.
Formation A 4-3-3 triangle up with a rotation in midfield. Two offensive full-backs who look to support midfield.
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Key Player Miroslav Radovic often features at the point of the triangle. Legia's top goalscorer last season makes regular runs in behind the front man. Celtic will need to be aware of his movement.
Prediction Both teams play a similar style so it will come
down to which team dominates. Celtic should still qualify.
Jo Inge Berget
A very intelligent forward who can play across the front three. He's got similar qualities to Gergios Samaras in that he will offer a good aerial threat for flicks on and hold up play but he doesn't have the same pace.
Career Highly rated from a young age having secured a deal at Udinese but he did not feature. Berget played under Ronny Deila during the 2010/11 season then moved to Molde where he impressed Ole Gunnar Solskjaer so much he brought him to Cardiff, but he only played two matches.
Prediction Another good piece of business. Stefan Johansen is going to be key for Celtic and he now has a fellow Norwegian to socialise with. Managing emotion is crucial in modern football management.