Manchester United manager responded angrily to question about striker . Radamel Falcao has failed to impress since joining on loan from Monaco . But Louis van Gaal was quick to stick up for his Dutch forward . Van Gaal argued with journalists who are 'happy ' to see Falcao failing . United boss left the room with a thumbs up and a sarcastic comment . Jamie Redknapp : Why did Louis van Gaal leave Falcao on the bench ? CLICK HERE for all the latest Manchester United news .
Manchester United manager responded angrily to question about striker . Radamel Falcao has failed to impress since joining on loan from Monaco . But Louis van Gaal was quick to stick up for his Colombian forward . Van Gaal argued with journalists who are 'happy ' to see Falcao failing . United boss left the room with a thumbs up and a sarcastic comment . Jamie Redknapp : Why did Louis van Gaal leave Falcao on the bench ? CLICK HERE for all the latest Manchester United news .