Swansea boss Carlos Carvalhal has opened up on his friendship with Manchester United counterpart Jose Mourinho — admitting his confrontational compatriot is 'very good when he is fighting'.
Carvalhal is preparing his in-form side for their Old Trafford encounter next weekend, and knows a surprise victory would boost their hopes of survival this season.
The coach has an added incentive when he goes up against top-four chasing United, having spent time shadowing Mourinho when his countryman was at Chelsea.
![Swansea boss Carlos Carvalhal has opened up on his friendship with Jose Mourinho](http://i.dailymail.co.uk/i/newpix/2018/03/25/12/05DF8A0A000003E8-5541603-image-a-1_1521977435531.jpg)
And the 52-year-old — who has impressed following his arrival at the Liberty Stadium in December — says although they have different temperaments, there are similarities between the pair.