It’s no secret that—as fantastic as the first season of Starz’s American Gods was—there was enough behind-the-scenes drama involving the show’s co-creators and showrunners Michael Green and Bryan Fuller that they parted ways with the network, casting a certain amount of uncertainty over American Gods’ future.
Source: io9 – Ian McShane Says the American Gods Showrunners’ Firing Had to Do With ‘Ego, Hubris, and Money’