He's a very nice player indeed, but I agree his foul problem won't disappear. That said, one or two foul-prone players don't hurt too much - injured opposing superstars are a nice way to get a competitive advantage :D
Still, he'll be a pain in the behind to train just because of the minutes issues. So, if you want to sell him, he'll fetch you about 300k. He does look good enough to have a shot at the U21 though, which could increase his value a lot if you're willing to stick with him for three seasons.