It's a good question, but I don't think possession football can become outmoded any more than counter attacking football can. Fundamentally, the problem (as I see it) is that we can't attract the sort of very gifted technical footballers it takes to implement the type of football we are aiming for on a long term basis. You can see that to an extent from the first season issues both Guardiola and Klopp experienced in England - you need exactly the right kind of player in every position. Right now we don't have the goalkeeper, centre backs, right back, attacking midfielders or wide players (Forrest excepted) for a high press, high retention game. Personally, I'd like to see the recruitment geared towards a pragmatic balance of our European football requirements (where we need to be physically strong, quick and organised) and our domestic football requirements (where we need to be patient at times, keep the ball in tight areas and have excellent movement). The system then has to be adapted to get the best out of our better players (Brown, Tierney) and unlock the potential in our underperforming players (Sinclair, Edouard). In broad terms, I'd go 4 4 2 with a 5 count press, only changing to a deep block when we play significantly stronger teams. For what it's worth, I don't think Rodgers is the right man to implement this or to get the recruitment right. Worryingly, I'm not sure the right person is out there waiting for us.