WHAT makes a good half-back and who are the best in this year's NAB AFL Draft pool?
 
In this week's Road to the Draft podcast, AFL.com.au's draft report Callum Twomey and Nat Edwards discuss the standout medium defenders available to clubs, including Liam Duggan, Brayden Maynard and Liam Dawson.
 
The pair also discuss AFL.com.au's new series 'Going Places' and the story behind tracking possible No.1 draft pick Christian Petracca during his season.
 
And they cast their eyes over Twitter to answer all of the most pressing questions about the draft and the most recent whispers.