Manchester United's David De Gea vows to have last laugh when he proves critics wrong in second leg of Champions League against Real Madrid at Old Trafford David De Gea, the Manchester United goalkeeper, has vowed to have the last laugh when Manchester United's Champions League mission is complete. The United goalkeeper performed brilliantly in the first leg of his side's last 16 tie against Real Madrid last night and is hoping his progress will continue into the second leg. Since his move from Athletico Madrid for around £17m in 2009, De Gea has come under criticism from fans and pundits alike. Sir Alex Ferguson had previously likened the 22-year-old goalkeeper as a toddle trying to walk. However, the young keeper knows that his side are only halfway towards progressing to the next stage of the competition. "The party is not over," he said. We are talking about Real Madrid, one of the world's best. They still have to come to us. It was a good result for us though, one we deserved. De Gea tipped Fabio Coentrao's curling shot onto the post in the opening minutes and denied him again with his feet in the second half. "It all happened so fast," he said. I got across and was lucky enough to save it with my feet. Overall, I am very happy with my performance. I am improving every at Old Trafford and I am very happy. Former United goalkeeper Mark Bosnich understood the situation, having been there himself as a United goalkeeper. "He has been criticised time again in United's goal," said Bosnich. It has been very harsh and has come from people who don't really know. When you're in goal at the Bernabeu you can feel Madrid's momentum. The roar becomes deafening. I speak from experience. I was fortunate enough to stand in those very shoes when United played against Real Madrid in 2000 quarter-final. It's some experience. So well done to David De Gea. He has been linked with a move back to Madrid - possibly as Iker Casillas' replacement at Real - but I hope he stays in the Premier League and continues to prove his value.