When you look at names such as Antoine Griezmann, Kylian Mbappe and Harry Kane, you would probably think that clubs across the world would have wanted to sign them up from an early age. But all three players had to deal with rejection at the beginning of their careers, for a variety of reasons. While some players did not impress enough during the trials, others were not deemed worth the investment. And in the case of Lionel Messi, it all boiled down to the cost of his medical bills. Above is a gallery of footballers who were rejected as youngsters. To move to the next image, click on the arrows. Or if using a mobile device, simply swipe.