In order to see all Future propositions related to a specific league, you must click on the desired Sport and then the league. On top of the page you will see a drop down called “Main Markets”. Here you can scroll through the offerings and you will find the Future propositions:
For game specific propositions, you must first go to the desired Sport, then the league and then the game. You will again find a drop down on top of the page called “All”. Here you can scroll through the markets and you will see the game propositions: