Stan Kroenke commands the second-most valuable sports empire in the world, but Arsenal are the odd ones out in his investment portfolio. He owns eight sports franchises in total, including NFL outfit the Los Angeles Rams, NBA side the Denver Nuggets, and Colorado Avalanche from the NHL to complete the set from America’s major leagues. But Arsenal are his only outpost this side of the Atlantic, where there has historically been a radically different approach to sports governance and investment. In Kroenke‘s other franchises, costs are relatively fixed and the closed-shop nature of the leagues m…