This year Swansea the Welsh club have done this in this season.
In the 2014/2015 season Swansea became a club to defeat both Manchester United at Home as well as away.
They also defeated Arsenal in 2014/2015 season both at home as well as away.
They now become the third club to achieve this, the other clubs to do it are West Ham united and Chelsea.
West Ham United did the double in the year 2006/2007.
Chelsea also did the double in the year 2009/2010.