ISAAC Heeney is one of the best midfielders of this year's NAB AFL Draft, and he's already aligned to the Sydney Swans.

Heeney, as an academy player for the club, can join the Swans under the end-of-season bidding process, but who else falls under that system and where could they be headed?

Under-18s eyecatchers: round four

In this week's Road to the Draft podcast, AFL.com.au's draft reporter Callum Twomey and host Nat Edwards look at some key players eligible to join clubs as zoned academy prospects as well as father-son players.

They also discuss what draft selection the respective clubs might have to give up to list them.

All the NAB AFL Under-18 Championships news

Ahead of the division two NAB AFL Under-18 Championships starting on Saturday, we speak with Heeney, who will line-up for New South Wales-ACT. 

The podcast also reviews and previews the latest under-18 action, while retrospectively ranks the best players in the 2010 NAB AFL Draft.