Fremantle's Colin Sylvia will not take part in Wednesday's NAB Challenge game against the Western Bulldogs at Etihad Stadium after suffering a minor knock to the head at training on Saturday.

Bounce down is at 4.10pm WST with the game being shown LIVE on FOX FOOTY.

Fremantle's squad

1       Hayden Ballantyne

3       Zac Dawson

6       Danyle Pearce

7       Nat Fyfe

8       Nick Suban

9       Matt de Boer

10      Michael Walters

11      Tommy Sheridan

13      Tendai Mzungu

15      Ryan Crowley 

16      David Mundy

17      Hayden Crozier

18      Luke McPharlin

19      Scott Gumbleton

20      Matt Taberner

21      Michael Barlow

22      Tanner Smith

23      Chris Mayne 

27      Lachie Neale

29      Matthew Pavlich

31      Aaron Sandilands

32      Stephen Hill

33      Cam Sutcliffe

34      Lee Spurr

37      Michael Johnson

38      Jack Hannath

41      Paul Duffield

46      Clancee Pearce