The summer transfer window is hitting the mark, and the hunt for the player to help you escape relegation, secure a top-half or reach new levels of glory has never been more intense - or expensive. What every club wants most of all is the mysterious beast that is a 20-goal per season striker. In fact, every forward who enjoys a good campaign suddenly sees their price tag triple and quadruple, so the trick is to catch them just as they are on the verge of exploding. The Big Man / Gabriele Maltinti / Getty ImagesWell, if we…