straight to your inboxLouis van Gaal has revealed he tried to sign Robert Lewandowski, Neymar and Gonzalo Higuain during his spell as Manchester United's manager.The Dutchman was appointed United manager in the summer of 2014 after David Moyes was sacked towards the end of the previous season.Van Gaal secured qualification for the Champions League in his first season at the club and won the FA Cup in his second before being sacked and replaced by Jose Mourinho.During his time at Old Trafford,