By Euan Burns Multi-club ownership has become a hot topic in the world of football, with more and more teams seemingly finding themselves under the same umbrella as others. Perhaps the most wide-reaching and successful ownership project in football right now is the City Football Group, of which English giants Manchester City are the flagship side. It’s a modern football invention that angers many supporters and leaves a sour taste in the mouth, while some see it as simply the future of an ever-evolving sport. City Football Group are not the only multi-club project out there, but here’s all you…