( CNN ) -- Manchester United have made their first signing of the summer after confirming a deal has been done for Wigan Athletic winger Antonio Valencia . Ecuador winger Valencia moves to Manchester United as a replacement for Real Madrid-bound Cristiano Ronaldo . The 23-year-old Ecuador international has signed a four-year contract after moving for an undisclosed fee , believed to be in the region of £16 million ( $ 23 million ) . Valencia is expected to help fill the void left by Cristiano Ronaldo following the Portuguese winger 's impending 80 million euros ( $ 130 million ) move to Real Madrid . Latest transfer rumors and gossip . `` Joining Manchester United is a dream come true for me , '' Valencia told the club 's official Web site . `` I have enjoyed my time at Wigan , but I am thrilled to have the chance to challenge for the biggest honors in club football here . `` Playing in front of 76,000 fans alongside players like Wayne Rooney , Rio Ferdinand and Ryan Giggs will be an amazing experience . I ca n't wait to get started with the club . `` I hope the fans at Wigan can understand that I am an ambitious guy and a chance like this might never come again for me , '' added Valencia , who will be 24 next month . `` I am happy that the club has benefited from the move financially because I owe them such a lot . I have had a great time here . '' United manager Sir Alex Ferguson admitted he had tracked Valencia 's progress since his arrival at Wigan two seasons ago . `` Antonio is a player we have admired for some time now , having spent the last two years in the Premier League with Wigan , '' he said . `` I am sure his pace and ability will make a significant contribution to the team . '' The first Ecuadorian to play for United will make his debut for the Premier League champions on a four-match tour of Asia next month , before the Red Devils head for a four-team tournament in Munich .
Manchester United sign Portugal winger Cristiano Ronaldo for fee of 80 million euros . Valencia joins on a the summer contract to replace Portugal 's Cristiano Ronaldo . The 23-year-old becomes the English champions ' first signing of four-year .