you need to generate more traffic imo the majority of the playerbase is midd/2 and it feels like this is designed for prem which obvs makes it die
you can separate pugs to open, mid/d2 and d1/prem. tag players accordingly and let them add to the pugs that are visible to them. prem is the smallest so probs having pugs will be harder but maybe you can have a refer system like someone can refer their friend they can play a game if it goes well and everyone's happy they can keep being able to add to those games and so on
i'm not sure if this reads like a bad idea to someone more experienced but i fee like more traffic = more games played = site alive