Bruno Guimaraes has explained that he missed the Tyne-Wear derby between Newcastle and Sunderland after being diagnosed with mumps. The Brazilian missed the game through injury, but was not spotted in attendance at St James' Park as the Magpies fell to a 2-1 loss . He has now explained that he is instead in isolation, with the midfielder explaining a scary situation on the way back from Barcelona last week. Guimaraes was desperately missed as Newcastle once again came off second best against