"Jason
You can also purchase the "Expand Young Driver Academy" under rewards (200 reward points) to give you an additional 5 spaces in your YDA, allowing for 10 drivers in total to be produced every race.
I like the added extra to the YDA... These are the kind of things that should be given as free add-ons to the subscribers. Just like the liveries are..
If they upgrade more things to the YDA, they should think about making them free the Subs members.