The West Coast Eagles have secured key forward Jack Darling and defender Tom Barrass with contract extensions locking them in as the team's bookends.

24-year-old Darling has signed on for a further three years until 2020, while Barrass will play for the Eagles until at least the end of the 2019 season.

Jack Darling has signed a three year extension to his Eagle's contract. Credit:Getty Images

"We are delighted to have Jack and Tom extend their tenures with the club," Eagles general manager – football Craig Vozzo told the club's website.

"Whilst at different stages of their careers, we are excited where both players can potentially take their games.