Fremantle have played safe in choosing experienced Kepler Bradley for a back-up ruck role instead of their No.1 pre-season draft pick Jack Hannath for the western derby on Saturday.

Hannath, 21, has been impressive in the lead-up to the 2013 season starting this weekend but has to settle for being an emergency for the match against West Coast at Patersons Stadium.

Michael Johnson might also be called on for some ruck work. Zac Clarke wasn't selected after he suffered a lower-leg injury at training during the week.

Danyle Pearce, recruited from Port Adelaide after 154 games for the Power, will be the only Docker who hasn't played for Fremantle before.

Likewise, Jamie Cripps is the only West Coast Eagle making his debut for the club. Cripps returned to WA from St Kilda for whom he played 16 games in two seasons.

Cripps, 20, has been named on the interchange bench.

West Coast have called on Scott Lycett to back up Dean Cox in the ruck, in the absence of injured Nic Naitanui. Lycett played three games last year.

Only two matches are being played this weekend. The 11-day round continues next Thursday night when Carlton and Richmond meet at the MCG and ends with the Hawthorn-Geelong clash at the MCG on Easter Monday.

Fremantle v West Coast, Patersons Stadium, Saturday 4.40pm
Fremantle
B: Bradley Dawson Johnson
HB: Duffield McPharlin Suban
C: D Pearce Barlow C Pearce
HF: Crowley Pavlich Fyfe
F: Ballantyne Mayne Walters
Foll: Griffin Mundy Hill
IC: de Boer Mzungu Spurr Sutcliffe

Emerg: Crichton Hannath Neale

West Coast
B: Schofield Glass Smith
HB: Hurn Mackenzie Waters
C: Gaff S Selwood Embley
HF: Hill Darling Masten
F: Lycett Kennedy LeCras
Foll: Cox Priddis Shuey
IC: A Selwood Hams Cripps Sheppard

Emerg: Brennan Brown Dalziell

Adelaide v Essendon, AAMI Stadium, Friday
Adelaide
B: Brown Rutten Henderson
HB: van Berlo Talia Reilly
C: Vince Dangerfield Mackay
HF: Douglas Jenkins Petrenko
F: Porplyzia Walker Wright
Foll: Jacobs S Thompson Sloane
IC: Jaensch Johncock Otten Martin

Emerg: Crouch McKernan Riley

Essendon
B: Baguley Hooker Hibberd
HB: Goddard Fletcher Carlisle
C: Dempsey Watson Heppell
HF: Zaharakis Ryder Crameri
F: Davey Hurley Kommer
Foll: Bellchambers Stanton Howlett
IC: Hocking Myers Melksham Merrett
Emerg: Jetta Hardingham Kavanagh
New: Brendon Goddard, 27, St Kilda; Nick Kommer, 22, East Perth