HERNING, DENMARK - FEBRUARY 18: Louis van Gaal (L) Manager of Manchester United scratches his head while Ryan Giggs (C) assistant manager looks on during the UEFA Europa League round of 32 first leg match between FC Midtjylland and Manchester United at Herning MCH Multi Arena on February 18, 2016 in Herning, Denmark. (Photo by Michael Regan/Getty Images)
