Port Adelaide has made four changes ahead of Showdown 47 of Saturday afternoon, with experienced duo Tom Rockliff and Justin Westhoff set to return.

Also named in the inclusions are Karl Amon and Dougal Howard who both missed the Power's Round 15 loss to the Western Bulldogs due to suspension.

The four players come in for Joel Garner, Willem Drew, Peter Ladhams and Kane Farrell, who have all been omitted.

Garner, Ladhams, Drew and Sam Powell-Pepper are the emergencies.

TEAM: Crows make three changes

Port Adelaide's Round 16 side is...

IN - Rockliff, Amon, Howard, Westhoff
OUT- Garner, Farrell, Ladhams, Drew

B: Burton, Clurey, Houston
HB: Hartlett, Jonas, Byrne-Jones
C: Duursma, Rockliff, Amon
HF: R.Gray, Howard, Ebert
F: Westhoff, Dixon, Rozee
Foll: Lycett, Wines, Boak
Int: Bonner, Butters, S.Gray, Motlop
Emg: Ladhams, Drew, Garner, Powell-Pepper