It is tricky - I tend to look at their determination and work rate. A determination above 15 and a high work rate seems to be highly correlated with potential ability. Moreover, I look at the core stats for the position they play in - marking, tackling, speed. I find that mental attributes grow a lot when they play, so I can live with lower mental attributes if the technical ones (plus determination) is high[/I've been looking at scout reports and snapping up any regen that has world class potential is this wrong ??