Brant Colledge, Murray Newman, Simon Tunbridge and Alec Waterman have been given permission to train with the West Coast when pre-season training begins on November 23.
The club has already committed to re-drafting Waterman as a rookie. The son of dual premiership player Chris endured a difficult first season due to a battle with glandular fever while Colledge is also set to be re-drafted as a rookie given he is contracted with the club in 2016.
The 2015 AFL Draft will be held on November 24 at the Adelaide Convention Centre, while the Pre-Season and Rookie Drafts will take place on November 27.