Martin Keown has now shared which one of Manchester City, Arsenal or Liverpool will win the Premier League this season. The pundit was speaking after Pep Guardiola’s Man City side secured a 5-1 victory against Luton Town yesterday. Despite making changes for the game, amid their massive Champions League tie against Real Madrid, City looked comfortable throughout. Jeremy Doku starred at the Etihad, a player who could be decisive for current champions if he did now find a purple patch of form. But with Liverpool and Arsenal both playing today, Guardiola’s side could soon drop back to third place…