And yet , when football 's most successful coach returns to town with Inter Milan for Wednesday 's second leg of the Champions League semi-final , he does not come as an old friend .
Barcelona gave Mourinho 's coaching career a lift - off .
And yet , when football 's most successful coach returns to town with Inter Milan for Wednesday 's second leg of the Champions League semi-final , Mourinho does not come as an old friend .
Barcelona gave Mourinho 's coaching career a lift - off .