Think the change in system did more at Cardiff than the changes to personel (though we missed Kayal, argueably our best player before that). It's not a bad system just a total change will affect things more than somebody who knows what they're doing swapping in for somebody else who know's what...
He'd need 2 million of signing bonus and 'higher wages' to come here so maybe the OP means sign himfor 500k, plus 500k signing bonus and 1m on top of a standard first team 12-15k per week totalling 20k plus bonuses per week for 3 years.
Otherwise he's clearly mental and why would the lad come...