Kade Simpson will line up for his 250th game in the Navy Blue when Carlton faces Port Adelaide at Etihad Stadium on Sunday.

Defender Michael Jamison is also set to reach his 150th game milestone this weekend.  

Simon White, Nick Graham and Dylan Buckley have been named in the extended 25-man squad. 

Meanwhile, Port Adelaide has named Sam Gray, Karl Amon and Dougal Howard as its three inclusions, meaning star midfielder Robbie Gray will miss again.

The final teams will be announced on Friday afternoon.

Carlton's extended squad for Round 8:

Backs42. Zach Tuohy17. Sam Rowe6. Kade Simpson
Half-backs39. Dale Thomas20. Lachie Plowman38. Ciaran Byrne
Centreline15. Sam Docherty46. Matthew Wright19. Liam Sumner
Half-forwards1. Andrew Walker14. Liam Jones4. Bryce Gibbs
Forwards11. Sam Kerridge41. Levi Casboult27. Dennis Armfield
Followers8. Matthew Kreuzer9. Patrick Cripps3. Marc Murphy (C)
Interchange (from):7. Dylan Buckley35. Ed Curnow33. Andrejs Everitt
 32. Nick Graham13. Jed Lamb43. Simon White
 40. Michael Jamison  

In: White, Buckley, Graham

Out: Nil

Milestones: Simpson - 250 games, Jamison - 150 games