GWS coach Leon Cameron says his side must improve to match it with the AFL's elite after slipping to a 21-point away loss to Adelaide.

Greater Western Sydney are expected to announce Josh Kelly has penned an AFL contract extension to remain with the Giants.

Veteran Ryan Griffen and youngsters Tim Taranto and Isaac Cumming are players Greater Western Sydney leader Callan Ward thinks can fill half-back vacancies.

Greater Western Sydney back Zac Williams will miss the start of the AFL season after suffering a ruptured achilles at training.

Greater Western Sydney want to be recognised for being a good two-way running side and already boast the AFL's best individual in that area in Tom Scully.