Tom Green has starred for unbeaten GWS this season and St Kilda captain Jack Steele has set his sights on blunting the midfielder in their round-five contest.
GWS captain Toby Greene admits he didn't expect his side to play finals this year, but believes they can go all the way and win a first AFL premiership.
The AFL's week one finals schedule includes St Kilda hosting Greater Western Sydney at the MCG before the Brisbane Lions play Port Adelaide at the Gabba.
Greater Western Sydney have paid tribute to inaugural co-captain Phil Davis, who has retired after a 192-game playing career with the Giants and Adelaide.