Scolari's men face a potentially tricky FA Cup third round replay against Southend on Wednesday, and the Brazilian admits that match has taken on extra significance.

BBC: Scolari calls for Chelsea unity

Having beaten Chelsea, Ferguson's men now faced reigning champions and FA Cup holders, Arsenal.

BBC: United's road to Wembley

He returns at a critical time in Arsenal's season with Arsene Wenger's men in the quarterfinals of the Champions League and chasing domestic glory in the FA Cup where they face Chelsea in the semifinals.

CNN: Fabregas boosts Arsenal after injury layoff